Copepoda taxon details
Caligus elongatus von Nordmann, 1832
135754 (urn:lsid:marinespecies.org:taxname:135754)
accepted
Species
Caligus arcticus Brandes, 1956 · unaccepted (synonym)
Caligus guerini Guiart, 1913 · unaccepted > junior subjective synonym
Caligus kroyeri Milne Edwards, 1840 · unaccepted (synonym)
Caligus latifrons Wilson C.B., 1905 · unaccepted (synonym)
Caligus leptochilus Leuckart in Frey & Leuckart, 1847 · unaccepted (long treated as synonym of...)
long treated as synonym of Caligus rapax, probably synonym of C. elongatus
Caligus lumpi Krøyer, 1863 · unaccepted (synonym)
Caligus rabidus Leigh-Sharpe, 1936 · unaccepted (synonym)
Caligus rissoanus Milne Edwards, 1840 · unaccepted (synonym)
Caligus trachypteri Krøyer, 1863 · unaccepted (synonym)
marine, brackish, fresh, terrestrial
von Nordmann, A. (1832). Mikrographische Beiträge zur Naturgeschichte der wirbellosen Thiere. [Micrographic contributions to the natural history of invertebrates.]. <em>Zweites Heft. Mit zehn Kupfertafeln, G. Reimer, Berlin.</em> XVIII:1-150, plates I-X., available online at https://archive.org/details/mikrographische00nordgoog [details] 
Distribution cosmopolitan found in most regions of the world
Taxonomic remark Two forms of C. elongatus have been identified using molecular markers.
Distribution cosmopolitan found in most regions of the world [details]
Taxonomic remark Two forms of C. elongatus have been identified using molecular markers.
Taxonomic remark Two forms of C. elongatus have been identified using molecular markers. [details]
Walter, T.C.; Boxshall, G. (2025). World of Copepods Database. Caligus elongatus von Nordmann, 1832. Accessed at: https://www.marinespecies.org/copepoda/aphia.php?p=taxdetails&id=135754 on 2026-01-16
Date
action
by
original description
von Nordmann, A. (1832). Mikrographische Beiträge zur Naturgeschichte der wirbellosen Thiere. [Micrographic contributions to the natural history of invertebrates.]. <em>Zweites Heft. Mit zehn Kupfertafeln, G. Reimer, Berlin.</em> XVIII:1-150, plates I-X., available online at https://archive.org/details/mikrographische00nordgoog [details]
original description (of Caligus guerini Guiart, 1913) Guiart, J. (1913). Crustacés commensaux et parasites de la baie de Concarneau. [Commensal and parasitic crustaceans of Concarneau Bay.]. <em>Bulletin de l'Institut Océanographique, Monaco.</em> 264:1-10, figs. 1-2. (5-v-1913). [details]
original description (of Caligus leptochilus Leuckart in Frey & Leuckart, 1847) Frey, H. & R. Leuckart. (1847). Beiträge zur Kenntniss Wirbelloser Thiere mit Besonderer Berücksichtigung der Fauna des Norddeutschen Meeres. [Contributions to the knowledge of invertebrates with special reference to the fauna of the North German Sea.]. <em>In: Beiträge zur Kenntnis wirbelloser Thiere. Brunswick, Viehweg und Sohn, Braunschweig: Freidrich Vieweg und Sohn. Pp. 1-170, pls. 1, 2.</em> [pp. 110-130]. [:165, Caligus leptochillus]., available online at http://www.biodiversitylibrary.org/bibliography/2128
page(s): 165 [details]
original description (of Caligus arcticus Brandes, 1956) Brandes, C.H. (1956). Caligus arcticus n. sp., ein parasitischer Copepode auf Trachypterus arcticus Brünnich. [Caligus arcticus n. sp., a parasitic copepod on Trachypterus arcticus Brünnich.]. <em>Veröffentlichungen des Instituts für Meeresforschung in Bremerhaven.</em> 4(2):171-181, pls. 1-2. [details] Available for editors
[request]
original description (of Caligus latifrons Wilson C.B., 1905) Wilson, C.B. (1905). North American parasitic copepods belonging to the family Caligidae. Part 1.- The Caliginae. Proceedings of the United States National Museum 28(1404):479-672, pls. 5-29. (23-vi-1905). [details]
original description (of Caligus rabidus Leigh-Sharpe, 1936) Leigh-Sharpe, W.H. (1936). Some rare and new parasitic Copepoda, etc., from Brighton and elsewhere. Parasitology, Cambridge 28:410-413, figs. 1-2. (20-vii-1936) [details] Available for editors [request]
original description (of Caligus kroyeri Milne Edwards, 1840) Milne Edwards, H. (1840). Ordre des Copépodes. [Order Copepoda]. <em>Histoire naturelle des Crustaces, comprenant l'anatomie, la physiologie et la classification de ces animaux. [In: Natural history of Crustacea, including the anatomy, physiology and classification of these animals]].</em> 3: 411-529., available online at https://www.biodiversitylibrary.org/page/16103940 [details]
original description (of Caligus lumpi Krøyer, 1863) Krøyer, H. (1863-1864). Bidrag til Kundskab om Snyltekrebsene. <em>Naturhistorisk Tidsskrift Ser. III.</em> 2(1/2): 75-320, pls. 1-9 [1863]; 2(3): 321-432, pls. 10-18 [1864]. [details]
original description (of Caligus rissoanus Milne Edwards, 1840) Milne Edwards, H. (1840). Ordre des Copépodes. [Order Copepoda]. <em>Histoire naturelle des Crustaces, comprenant l'anatomie, la physiologie et la classification de ces animaux. [In: Natural history of Crustacea, including the anatomy, physiology and classification of these animals]].</em> 3: 411-529., available online at https://www.biodiversitylibrary.org/page/16103940 [details]
original description (of Caligus trachypteri Krøyer, 1863) Krøyer, H. (1863-1864). Bidrag til Kundskab om Snyltekrebsene. <em>Naturhistorisk Tidsskrift Ser. III.</em> 2(1/2): 75-320, pls. 1-9 [1863]; 2(3): 321-432, pls. 10-18 [1864]. [details]
taxonomy source Parker, R.R. (1969). Validity of the binomen Caligus elongatus for a common parasitic copepod formerly misidentified with Caligus rapax. Journal of the Fisheries Research Board of Canada 26(4):1013-1035, figs. 1-22. [details] Available for editors [request]
context source (BeRMS 2020) Bio-environmental research group; Institute of Agricultural and Fisheries research (ILVO), Belgium; (2015): Zooplankton monitoring in the Belgian Part of the North Sea between 2009 and 2010. [details]
basis of record Boxshall, G. (2001). Copepoda (excl. Harpacticoida), <B><I>in</I></B>: Costello, M.J. <i>et al.</i> (Ed.) (2001). <i>European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels,</i> 50: pp. 252-268 (look up in IMIS) [details]
additional source Brunel, P., L. Bosse & G. Lamarche. (1998). Catalogue of the marine invertebrates of the estuary and Gulf of St. Lawrence. <em>Canadian Special Publication of Fisheries and Aquatic Sciences, 126.</em> 405 pp. (look up in IMIS) [details] Available for editors [request]
additional source Hogans, W.E. (1993). Guide to common external parasites of fishes of the Canadian Atlantic: I. Crustacea: Isopoda, Amphipoda, Brachiura & Copepoda. ARC Species ID Leaflet #93-01-INV. [details]
additional source Heuch, P.A., O. Øines, J.A. Knutsen & T.A. Schram. (2007). Infection of wild fishes by the parasitic copepod Caligus elongatus on the south east coast of Norway. <em>Diseases of Aquatic Organisms.</em> 77(2):149-158., available online at https://doi.org/10.3354/dao01833 [details] Available for editors [request]
additional source Baevre-Jensen, M. (2001). Population dynamics of the two sea lice species Lepeophtheirus salmonis (Krøyer, 1837) and Caligus elongatus (von Nordmann, 1832) on farmed Atlantic salmon (Salmo salar L.). <em>M.Sc. Thesis, Norges Fiskerihrgskole, University of Tromso, Tromso, Norway.</em> [details]
additional source Hogans, W.E. & D.J. Trudeau. (1989). Caligus elongatus (Copepoda: Caligoida) from Atlantic salmon (Salmo salar) cultured in marine waters of the Lower Bay of Fundy. Canadian Journal of Zoology 67(4):1080-1082. (French summary.) [details] Available for editors [request]
additional source Hogans, W.E. & D.J. Trudeau. (1989). Preliminary studies on the biology of sea lice, Caligus elongatus, Caligus curtus and Lepeophtheirus salmonis (Copepoda: Caligoida) parasitic on cage-cultured salmonids in the lower Bay of Fundy. Canadian Technical Report of Fisheries and Aquatic Sciences 1715:i-iv, 1-14. [details] Available for editors [request]
additional source Bruno, D.W. & J. Stone. (1990). The role of saithe, Pollachius virens L., as a host for the sea lice, Lepeophtheirus salmonis Kroyer and Caligus elongatus Nordmann. Aquaculture 89(3-4):201-207. [details]
additional source Bron, J.E. & J.W. Treasurer. (1992). Sea lice (Caligidae) on wrasse (Labridae) from selected British wild and salmon-farm sources. Journal of the Marine Biological Association of the United Kingdom 72(3):645-650, tabs. 1-2. [details] Available for editors [request]
additional source Copley, L., T.D. Tierney, F. Kane, O. Naughton, S. Kennedy, P. O'Donohoe, D. Jackson & D. Grath. (2005). Sea lice, Lepeophtheirus salmonis and Caligus elongatus, levels on salmon returning to the west coast of Ireland, 2003. Journal of the Marine Biological Association of the United Kingdom 85(1): 87-92. [details] Available for editors [request]
additional source Shaw, R. & M. Opitz. (1996). Abundance of the parasitic copepod Caligus elongatus on wild pollock near commercial salmonid net-pens. Journal of Aquatic Animal Health 8(1):75-77. [details] Available for editors [request]
additional source Cross, T.F. & S.P. Johnson. (1976). The parasitic copepod, Caligus elongatus Nordmann, 1832, on the bluefish, Pomatomus saltatrix (L. 1758): a first host record. Irish Naturalists' Journal 18(11):337. (vii-1976) [details]
additional source Dollfus, R.P. (1971). Variation chez Caligus elongatus Al. von Nordmann 1832. [Variation of Caligus elongatus Al. von Nordmann 1832.]. <em>Journal of Parasitology.</em> 57(4)section2:47. Abstract. [details] Available for editors [request]
additional source Ellis, A.E., N. Masson & A.L.S. Munro. (1990). A comparison of proteases extracted from Caligus elongatus (Nordmann, 1832) and Lepeophtheirus salmonis (Kroyer, 1838). <em>Journal of Fish Diseases, Oxford, U.K.</em> 13(2):163-165., available online at https://doi.org/10.1111/j.1365-2761.1990.tb00769.x [details]
additional source Faasse, M.A. (2005). De snotolf een dierentuin. Over Caligus elongatus (Copepoda) en Udonella caligorum (Platyhelminthes, Monogenea). [The lumpfish as a zoological garden. On Caligus elongatus (Copepoda) and Udonella caligorum (Platyhelminthes, Monogenea).]. <em>Het Zeepaard.</em> 65(4): 123-127.(Dutch). [details] Available for editors [request]
additional source Gusev, A.V. (1987). Class Crustacea Lamarck, 1801. <em>In: Bauer, O.N. (ed.). Opredelitel' parazitov presnovodnykh ryb SSSR. [Key to the Parasites of Freshwater Fishes of the USSR.] Opredeliteli po Faune SSSR, Zoologicheskii Instituta SSSR. Nauka, Leningrad.</em> 3(149):378-432. [details] Available for editors [request]
additional source Hewitt, G.C. (1971). Two species of Caligus (Copepoda, Caligidae) from Australian waters, with a description of some developmental stages. Pacific Science 25(2):145-164, figs. 1-78. (iv-1971) [details] Available for editors [request]
additional source Jackson, D. (1998). Caligus elongatus as parasites of farmed salmonids in Ireland. In: Proceedings and Abstracts of the 4th International Crustacean Congress, Amsterdam, 20-24 July 1998 [shelved under 'Proceedings'] :116. [abstract] [details]
additional source Jackson, D. & D. Minchin. (1992). Aspects of the reproductive output of two caligid copepod species parasitic on cultivated salmon. <em>Invertebrate Reproduction and Development.</em> 22(1-3):87-90., available online at https://doi.org/10.1080/07924259.1992.9672260 [details] Available for editors [request]
additional source Jackson, D., S. Deady, D. Hassett & Y. Leahy. (2000). Caligus elongatus as parasites of farmed salmonids in Ireland. In: Schram, F.R. (ed.), Contributions to Zoology Bijdragen tot de Dierkunde. Proceedings of the third international workshop on sea lice, Amsterdam, July 22-24, 1998. 69(1-2):65-70. [details] Available for editors [request]
additional source Johnsen, M. (2001). Population dynamics of the two sea lice species Lepeophtheirus salmonis (Krøyer, 1837) and Caligus elongatus (von Nordmann, 1832) on farmed Atlantic salmon (Salmo salar L.) and wild sea trout (Salmo trutta L.) in northern Norway, and possible ways of salm Candidata Scientiarum Thesis, University of Tromsø, Tromsø, Norway. 53 pp. [details]
additional source Jones, J.B. (1988). New Zealand parasitic Copepoda; genus Caligus Müller, 1785 (Siphonostomatoida: Caligidae). <em>New Zealand Journal of Zoology.</em> 15(3):397-413., available online at https://doi.org/10.1080/03014223.1988.10422966 [details] Available for editors [request]
additional source Kabata, Z. (1979). Parasitic Copepoda of British Fishes. <em>The Ray Society, London.</em> 152: i-xii, 1-468, figs. 1-203. [details] Available for editors [request]
additional source Kunz, H. (1993). Beitrag zur Kenntnis von zwei Psammopsyllus-Arten (Copepoda, Harpacticoida, Cylindropsyllidae). [Contribution to the knowledge of two Psammopsyllus species (Copepoda, Harpacticoida, Cylindropsyllidae).]. <em>Crustaceana (Leiden).</em> 64(2):143-154. [details] Available for editors [request]
additional source Laverack, M.S. & M.Q. Hull. (1993). Sensory innervation of the antenna of the pre-adult male Caligus elongatus. <em>In: Boxshall, G.A. & D. Defaye (eds.). Pathogens of Wild and Farmed Fish. Sea Lice. Ellis Horwood, Chichester, United Kingdom, 392 pp.</em> :114-124. [details] Available for editors [request]
additional source McKenzie, E., G. Gettinby, K. McCart & C.W. Revie. (2004). Time-series models of sea lice Caligus elongatus (Nordmann) abundance on Atlantic salmon Salmo salar L. in Loch Sunart, Scotland. <em>Aquaculture Research.</em> 35(8):764-772., available online at https://doi.org/10.1111/j.1365-2109.2004.01099.x [details] Available for editors [request]
additional source MacKenzie, K. & J.A. Morrison. (1989). An unusually heavy infestation of herring (Clupea harengus L.) with the parasitic copepod Caligus elongatus Nordmann, 1832. Bulletin of the European Association of Fish Pathologists 9(1):12-13. [details] Available for editors [request]
additional source MacKinnon, B.M. (1993). Response of the copepodid larvae of Caligus elongatus to light, and the ultrastructure of the eyes. <em>Canadian Journal of Fisheries and Aquatic Sciences.</em> 50(4):793-799., available online at https://doi.org/10.1139/f93-092 [details] Available for editors [request]
additional source MacKinnon, B.M. (1993). Host response of Atlantic salmon (Salmo salar) to infection by sea lice (Caligus elongatus). <em>Canadian Journal of Fisheries and Aquatic Sciences.</em> 50(4):789-792., available online at https://doi.org/10.1139/f93-091 [details] Available for editors [request]
additional source MacKinnon, B.M. (1995). The poor potential of cunner, Tautogolabrus adsperus, to act as cleaner fish in removing sea lice (Caligus elongatus) from farmed salmon in eastern Canada. Canadian Journal of Fisheries and Aquatic Sciences 52(Suppl. 1):175-177. [details] Available for editors [request]
additional source MacKinnon, B.M. & A. Mustafa. (1992). Caligus elongatus: the importance of host factors in infection intensity. In: Noel, P. (ed.). Proceedings of the First European Crustacean Conference, Paris, August 31-September 5, 1992 (Abstracts) :92. (Abstract) [details]
additional source MacKinnon, B.M. & W. Piasecki. (1992). Reproduction in Caligus elongatus: How sea lice become so numerous. Bulletin of the Aquaculture Association of Canada 3:20-21. (Abstract.) [details] Available for editors [request]
additional source Marshall, S. (2003). The incidence of sea lice infestations on wild sea trout compared to farmed salmon. <em>Bulletin of the European Association of Fish Pathologists.</em> 23(2): 72-79. [details] Available for editors [request]
additional source McBeath, A.J.A., M.J. Penston, M. Snow, P.F. Cook, I.R. Bricknell & C.O. Cunningham. (2006). Development and application of real-time PCR for the specific detection of Lepeophtheirus salmonis and Caligus elongatus larvae in Scottish plankton samples. Diseases of Aquatic Organisms 73:141-150. [details] Available for editors [request]
additional source McCarney, P., L. Copley, S. Kennedy, C. Nulty & D. Jackson. (2002). National survey of sea lice (Lepeophtheirus salmonis Kroyer and Caligus elongatus Nordmann) on fish farms in Ireland - 2001. Fishery Leaflet, Dublin 181:1-28. [details]
additional source Ramakrishnan, P. (1980). Revision of the Caligidae (Copepoda) with special reference to the Indian fauna. Ph.D. Thesis, University of Kerala 400pp. + 15 plates. [details] Available for editors [request]
additional source Mulyadi. (1999). New records and taxonomic reexamination of the genus Labidocera (Copepoda: Calanoida), with notes on their species groups and distribution in Indonesian waters. Treubia, A Journal on Zoology of the Indo-Australian Archipelago Bogor 31(3):219-263. [details] Available for editors [request]
additional source Mustafa, A. (1997). Host factors important in determining infection intensity with the sea louse, Caligus elongatus Nordmann, 1832, in Atlantic salmon, Salmo salar L. and Arctic charr, Salvelinus alpinus (L.). Ph.D. Dissertation, University of New Brunswick, Fredericton, New Brunswick, Canada. 184 pp. [details]
additional source Mustafa, A., B. MacKinnon & W. Piasecki. (2005). Interspecific differences between Atlantic salmon and Arctic charr in susceptibility to infection with larval and adult Caligus elongatus: effect of skin mucus protein profiles and epidermal histological differences. <em>Acta Ichthyologica et Piscatoria.</em> 35(1): 7-13., available online at https://doi.org/10.3750/aip2005.35.1.02 [details] Available for editors [request]
additional source Muxagata, E.M. & J.A. Williams. (2004). The Mesozooplankton of the Solent-Southampton Water system: a photographic guide. Southampton Oceanography Centre, Southampton, U.K. 103 pp. [details] Available for editors [request]
additional source Nowak, B. & C. Hayward. (2005). The interaction of the copepod Caligus elongatus with southern bluefin tuna. Tuna Brief 5:1-2. [details]
additional source O'Donohoe, P., F. Kane, S. Kennedy, O. Naughton, P. Nixon, A. Power & D. Jackson. (2006). National survey of sea lice (Lepeophtheirus salmonis Kroyer and Caligus elongatus Nordmann) on fish farms in Ireland - 2005. Irish Fisheries Bulletin 24:1-32. [details]
additional source O'Donohoe, P., S. Kennedy, L. Copley, F. Kane, O. Naughton & D. Jackson. (2004). National survey of sea lice (Lepeophtheirus salmonis Kroyer and Caligus elongatus Nordmann) on fish farms in Ireland - 2003. Marine Institute Fishery Leaflet 184:1-32. [details]
additional source Øines, O. & P.A. Heuch. (2005). Identification of sea louse species of the genus Caligus using mtDNA. <em>Journal of the Marine Biological Association of the United Kingdom.</em> 85(1):73-79. [details] Available for editors [request]
additional source Øines, O. & P.A. Heuch. (2007). Caligus elongatus Nordmann genotypes on wild and farmed fish. <em>Journal of Fish Diseases.</em> 30(2):81-91. [details] Available for editors [request]
additional source Øines, O., J.H. Simonsen, J.A. Knutsen & P.A. Heuch. (2006). Host preference of adult Caligus elongatus Nordmann in the laboratory and its implications for Atlantic cod aquaculture. <em>Journal of Fish Diseases.</em> 29(3):167-174. [details] Available for editors [request]
additional source O'Reilly, M.G. (1998). Whale-lice (Amphipoda: Cyamidae) and sea lice (Copepoda: Caligidae) from stranded whales in the Firth of Forth. Glasgow Naturalist 23(3):24-26. [details] Available for editors [request]
additional source Piasecki, W. (1993). Life cycle of Caligus elongatus von Nordmann (Copepoda, Siphonostomatoida). In: World Association of Copepodologists: Fifth International Conference on Copepoda. Baltimore, Maryland. :75 (abstract). [details]
additional source Piasecki, W. (1996). The developmental stages of Caligus elongatus von Nordmann, 1832 (Copepoda: Caligidae). Canadian Journal of Zoology 74(8): 1459-1478. [details] Available for editors [request]
additional source Piasecki, W. & B.M. MacKinnon. (1993). Changes in structure of the frontal filament in sequential developmental stages of Caligus elongatus von Nordmann, 1832 (Crustacea: Copepoda: Siphonostomatoida). Canadian Journal of Zoology 71:889-895. [details] Available for editors [request]
additional source Piasecki, W. & B.M. MacKinnon. (1995). Life cycle of a sea louse, Caligus elongatus von Nordmann, 1832 (Copepoda, Siphonostomatoida, Caligidae). Canadian Journal of Zoology 73:74-82. [details] Available for editors [request]
additional source Pike, A.W. & K. MacKenzie. (1992). The structure and development of the frontal filaments of Lepeophtheirus salmonis and Caligus elongatus. In: Noel, P. (ed.). Proceedings of the First European Crustacean Conference, Paris, August 31-September 5, 1992 (Abstracts) :116. (Abstract) [details]
additional source Pike, A.W., A.J. Mordue & G. Ritchie. (1993). The development of Caligus elongatus Nordmann from hatching to copepodid in relation to temperature. In: Boxshall, G.A. & D. Defaye (eds.). Pathogens of wild and farmed fish: sea lice. Ellis Horwood, New York, London etc. 378pp. :51-60. [details] Available for editors [request]
additional source Pike, A.W., K. Mackenzie & A. Rowand. (1993). Ultrastructure of the frontal filament in chalimus larvae of Caligus elongatus and Lepeophtheirus salmonis from Atlantic salmon, Salmo salar. In: Boxshall, G.A. & D. Defaye (eds.). Pathogens of wild and farmed fish: sea lice. Ellis Horwood, New York, London etc. 378pp. :99-113. [details] Available for editors [request]
additional source Revie, C.W., G. Gettinby & J.W. Treasurer. (2004). Study reveals regularity of Caligus elongatus infection. Fish Farmer 27(3):8-10. [details]
additional source Revie, C.W., G. Gettinby, J.W. Treasurer & G.H. Rae. (2002). The epidemiology of the sea lice, Caligus elongatus Nordmann, in marine aquaculture of Atlantic salmon, Salmo salar L., in Scotland. <em>Journal of Fish Diseases.</em> 25 (7): 391-399., available online at https://doi.org/10.1046/j.1365-2761.2002.00388.x [details] Available for editors [request]
additional source Schram, T.A., J.A. Knutsen, P.A. Heuch & T.A. Mo. (1998). Seasonal occurrence of Lepeophtheirus salmonis and Caligus elongatus (Copepoda: Caligidae) on sea trout (Salmo trutta), off southern Norway. ICES (International Council for the Exploration of the Sea) Journal of Marine Science 55(2):163-175. (iv.1998), available online at https://doi.org/10.1006/jmsc.1997.0357 [details] Available for editors [request]
additional source Somdal, O. & T.A. Schram. (1992). Ectoparasites on northeast Atlantic mackerel (Scomber scombrus L.) from western and North Sea stocks. Sarsia, Bergen 77(1):19-31, figs. 1-2, tabs. 1-13. [details] Available for editors [request]
additional source Stone, J., I.H. Sutherland, C. Sommerville, R.H. Richards & K.L. Varma. (2000). Commercial trials using emamectin benzoate to control, Lepeophtheirus salmonis (Kröyer) and Caligus elongatus (Nordmann), infestations in Atlantic salmon, Salmo salar L. <em>Diseases of Aquatic Organisms.</em> 41(2):141-149. [details] Available for editors [request]
additional source Todd, C.D. (2007). The copepod parasite (Lepeophtheirus salmonis (Krøyer), Caligus elongatus Nordmann) interactions between wild and farmed Atlantic salmon (Salmo salar L.) and wild sea trout (Salmo trutta L.): a mini-review. <em>In: Souissi, S., M.N. Daly Yahia & J.S. Hwang (eds.). Proceedings of the 9th International Conference on Copepoda, Hammamet, Tunisia, 11-15 July 2005. Journal of Plankton Research.</em> 29(Suppl. 1):61-71. [details] Available for editors [request]
additional source Todd, C.D., B.D.M. Whyte, J.C. MacLean & A.M. Walker. (2006). Ectoparasitic sea lice (Lepeophtheirus salmonis and Caligus elongatus) infestations of wild, adult, one sea-winter Atlantic salmon Salmo salar returning to Scotland. Marine Ecology Progress Series 328:183-193. [details] Available for editors [request]
additional source Tully, O., P. Daly, S. Lysaght, S. Deady & S.J.A. Varian. (1996). Use of cleaner-wrasse (Centrolabrus exoletus (L.) and Ctenolabrus rupestris (L.) to control infestations of Caligus elongatus Nordmann on farmed Atlantic salmon. Aquaculture 142(1-2):11-24. [details] Available for editors [request]
additional source Øines, O. (2007). Host selection and infection strategies in Caligus elongatus. <em>Doctor Scientiarum, Norwegian School of Veterinary Science, Oslo, Norway.</em> 100 pp. [details] Available for editors [request]
additional source MacKenzie, K., N. Campbell, S. Mattiucci, P. Ramos, A.L. Pinto & P. Abaunza. (2008). Parasites as biological tags for stock identification of Atlantic horse mackerel Trachurus trachurus L. <em>Fisheries Research.</em> 89(2):136-145., available online at https://doi.org/10.1016/j. [details] Available for editors [request]
additional source Øines, Ø. & T. Schram. (2008). Intra- or inter-specific difference in genotypes of Caligus elongatus Nordmann 1832? Acta Parasitologica 53(1):93-105. [details] Available for editors [request]
additional source Webber, W.R., G.D. Fenwick, J.M. Bradford-Grieve, S.G. Eagar, J.S. Buckeridge, G.C.B. Poore, E.W. Dawson, L. Watling, J.B. Jones, J.B.J. Wells, N.L. Bruce, S.T. Ahyong, K. Larsen, M.A. Chapman, J. Olesen, J.S. Ho, J.D. Green, R.J. Shiel, C.E.F. Rocha, A. Lörz, G.J. Bird & W.A. Charleston. (2010). Phylum Arthropoda Subphylum Crustacea: shrimps, crabs, lobsters, barnacles, slaters, and kin. <em>in: Gordon, D.P. (Ed.) (2010). New Zealand inventory of biodiversity: 2. Kingdom Animalia: Chaetognatha, Ecdysozoa, Ichnofossils.</em> pp. 98-232 (COPEPODS 21 pp.). [details] Available for editors [request]
additional source Kilburn, R., I.R. Bricknell, P. Cook, C.C. Pert, J. Dunn & I. Matejusova. (2010). Design and application of a portable, automated plankton sampler for the capture of the parasitic copepods Lepeophtheirus salmonis (Krøyer 1837) and Caligus elongatus (Von Nordmann 1832). Journal of Plankton Research 32(6):967-970. [details] Available for editors [request]
additional source Reilly, P. & M.F. Mulcahy. (1993). Humoral antibody response in Atlantic salmon (Salmo salar L.) immunised with extracts derived from the ectoparasite caligid copepods, Caligus elongatus (Nordmann, 1832) and Lepeophtheirus salmonis (Kroyer, 1838). <em>Fish and Shellfish Immunology.</em> 3(1):59-70., available online at https://doi.org/10.1006/fsim.1993.1006 [details]
additional source O'Donohoe, P., F. Kane, S. Kelly, T. McDermott, A. Drumm & D. Jackson. (2011). National survey of sea lice (Lepeophtheirus salmonis Kroyer and Caligus elongatus Nordmann) on fish farms in Ireland - 2010.Irish Fisheries Bulletin, 34:1-33. [details]
additional source Anonymous. (2014). National survey of sea lice (Lepeophtheirus salmonis Kroyer and Caligus elongatus Nordmann) on fish farms in Ireland-2013. Irish Fisheries Bulletin, 44:1-29. [details]
additional source a Noroi, G., K. Simonsen, E. Danielsen, K. Eliasen, A. Mols-Mortensen, D.H. Christiansen, P. Steingrund, M. Galbraith & O. Patursson. (2015). Abundance and distribution of planktonic Lepeophtheirus salmonis and Caligus elongatus in a fish farming region in the Faroe Islands. <em>Aquaculture Environment Interactions.</em> 7(1):15-27., available online at https://doi.org/10.3354/aei00134 [details] Available for editors [request]
additional source O'Donohoe, P., F. Kane, S. Kelly, T. McDermott, A. Drumm, P. Nixon & D. Jackson. (2016). National survey of sea lice (Lepeophtheirus salmonis Kroyer and Caligus elongatus Nordmann) on fish farms in Ireland-2015. Irish Fisheries Bulletin, 46:1-27. [details]
additional source Gargan, P.G., E. Karlsbakk, J. Coyne, C. Davies & W. Roche. (2016). Sea lice (Lepeophtheirus salmonis and Caligus elongatus) infestation levels on sea trout (Salmo trutta L.) around the Irish Sea, an area without salmon aquaculture. <em>ICES Journal Of Marine Science.</em> 73(9):2395-2407., available online at https://doi.org/10.1093/icesjms/fsw044 [details] Available for editors [request]
additional source Glover, K.A., T. Aasmundstad, F. Nilsen, A. Storset & . Skaala. (2005). Variation of Atlantic salmon families (Salmo salar L.) in susceptibility to the sea lice Lepeophtheirus salmonis and Caligus elongatus. <em>Aquaculture.</em> 245(1-4):19-30., available online at https://doi.org/10.1016/j.aquaculture.2004.11.047 [details] Available for editors [request]
additional source O'Donohoe, P., F. Kane, S. Kelly, T. McDermott, J. D'Arcy, J. Casserly, P. Nixon & D. Jackson (2017). National survey of sea lice (Lepeophtheirus salmonis Kroyer and Caligus elongatus Nordmann) on fish farms in Ireland-2016. <em>Irish Fisheries Bulletin</em>. 47: 1-33 [details] Available for editors [request]
additional source Agusti-Ridaura, C., L.A. Hamre, P.G. Espedal, O. Oines, T.E. Horsberg & K. Kaur. (2019). First report on sensitivity of Caligus elongatus towards anti-louse chemicals and identification of mitochondrial cytochrome C oxidase I genotypes. <em>Aquaculture.</em> 507:190-195., available online at https://doi.org/10.1016/j.aquaculture.2019.04.022 [details] Available for editors [request]
additional source O'Donohoe, P., F. Kane, S. Kelly, T. McDermott, J. D'arcy, J. Casserly, J. Downes & D. Jackson. (2018). National Survey of Sea Lice (Lepeophtheirus salmonis Kroyer and Caligus elongatus Nordmann) on Fish Farms in Ireland - 2017. Irish Fisheries Bulletin, 48:1-28. [details]
additional source O'Donohoe, P., F. Kane, S. Kelly, T. McDermott, J. D'Arcy, J. Casserly, J. Downes, S. McLoughlin & D. Jackson. (2019). National survey of sea lice (Lepeophtheirus salmonis Kroyer and Caligus elongatus Nordmann) on fish farms in Ireland-2018. Irish Fisheries Bulletin, 49:1-26. [details] Available for editors [request]
additional source Vinoth, R., T.T. Ajith Kumar, S. Ravichandran, M. Gopi & G. Rameshkumar. (2010). Infestation of copepod parasites in the food fishes of Vellar Estuary, southeast coast of India. <em>Acta Parasitologica Globalis.</em> 1(1):1-5. [details] Available for editors [request]
additional source Nowak, B.F., C.J. Hayward, L. González, N.J. Bott & R.J.G. Lester. (2011). Sea lice infections of salmonids farmed in Australia. <em>Aquaculture.</em> 320:171-177. [details] Available for editors [request]
additional source Hemmingsen, W., K. MacKenzie, K. Sagerup, M. Remen, K. Bloch-Hansen & A.K.D. Imsland. (2020). Caligus elongatus and other sea lice of the genus Caligus as parasites of farmed salmonids: A review. <em>Aquaculture.</em> 522:1-12. 735160 MAY 2020., available online at https://doi.org/10.1016/j.aquaculture.2020.735160 [details] Available for editors [request]
additional source Abdel-Gaber, R., S. Al-Quraishy, M.A. Dkhil, M. Elamin & M. Alghamdi. (2020). Morphological analysis of Caligus elongatus von Nordmann, 1832 (Copepoda: Caligidae) from the rosy goatfish Parupeneus rubescens (Mullidae). <em>Microscopy Research And Technique.</em> 83(11):1369-1380. Nov 2020., available online at https://doi.org/10.1002/jemt.23528 [details] Available for editors [request]
additional source Tadros, S.W.A., A.K. El-Gayar & E.M. Abouelhassan. (2020). Prevalence of ecto- and endoparasites of the Sea bass Dicentrachus Labrax in Port Said Governorate, Egypt. <em>Egyptian Journal of Aquatic Biology & Fisheries.</em> 24(7): 629 – 643. [details] Available for editors [request]
additional source Gravil, H.R. (1996). Studies on the biology and ecology of the free swimming larval stages of Lepeophtheirus salmonis (Krøyer, 1838) and Caligus elongatus Nordmann, 1832 (Copepoda: Caligidae). <em>PhD Thesis, School of Natural Sciences, University of Stirling, Stirling, Scotland, UK.</em> 292 pp., available online at http://hdl.handle.net/1893/2380 [details] Available for editors [request]
additional source Øvergård, A.C., A. Borchel , C. Eichner, S. Hjertaker, J. Nagata, H.M.D. Midtbø, P.A. Nelson, F. Nilsen & L.A. Hamre. (2025). The generalist Caligus elongatus is better at dampening the Atlantic salmon immune response than the salmonid specialist Lepeophtheirus salmonis. <em>Fish and Shellfish Immunology.</em> 160:1-15., available online at https://doi.org/10.1016/j.fsi.2025.110225 [details] Available for editors [request]
additional source Zubchenko, A.V. (1993). Vertikal'nyye zony i formatsii parazitofauny glubokovodnykh ryb pribrezhnykh rayonov Severnoy Atlantiki. [Vertical zones and formations of the parasitic fauna in deepwater fishes from the off-shore areas of the North Atlantiс. ]. <em>In: Vorobjova, N.K., S.S. Drobysheva, A.V. Zubchenko, A.B. Karasev, P.I. Savvatimsky & V.K. Mitenev (Eds.). Parasitological Studies of Fish in the Northern Basin: Selected Papers/PINRO. Murmansk, Russia.</em> :39-60. [In Russian]. [details] Available for editors [request]
additional source Donohoe, P., F. Kane, S. Kelly, T. McDermott, A. Drumm & D. Jackson. (2015). National Survey of Sea Lice (Lepeophtheirus salmonis Krøyer and Caligus elongatus Nordmann) on Fish Farms in Ireland - 2014. <em>Irish Fisheries Bulletin, Ireland.</em> 45:1-31. [details] Available for editors [request]
additional source Borchel, A. & F. Nilsen. (2025). Transcriptomic insights into the low-salinity tolerance of the sea louse Caligus elongatus. <em>Journal of Comparative Physiology B Biochemical Systemic and Environmental Physiology.</em> 195(2):155-171. Apr 2025., available online at https://doi.org/10.1007/s00360-025-01606-3 [details] Available for editors [request]
additional source Morales-Serna, F.N. (2025). Global patterns of modularity and narrow host use in fish-parasitic copepods (Crustacea). <em>Biodiversity Data Journal.</em> 13: 1-16. Sep 2025 e163693., available online at https://doi.org/10.3897/BDJ.13.e163693 [details] Available for editors [request]
additional source Integrated Taxonomic Information System (ITIS). , available online at http://www.itis.gov [details]
redescription Parker, R.R. (1969). Validity of the binomen Caligus elongatus for a common parasitic copepod formerly misidentified with Caligus rapax. Journal of the Fisheries Research Board of Canada 26(4):1013-1035, figs. 1-22. [details] Available for editors [request]
original description (of Caligus guerini Guiart, 1913) Guiart, J. (1913). Crustacés commensaux et parasites de la baie de Concarneau. [Commensal and parasitic crustaceans of Concarneau Bay.]. <em>Bulletin de l'Institut Océanographique, Monaco.</em> 264:1-10, figs. 1-2. (5-v-1913). [details]
original description (of Caligus leptochilus Leuckart in Frey & Leuckart, 1847) Frey, H. & R. Leuckart. (1847). Beiträge zur Kenntniss Wirbelloser Thiere mit Besonderer Berücksichtigung der Fauna des Norddeutschen Meeres. [Contributions to the knowledge of invertebrates with special reference to the fauna of the North German Sea.]. <em>In: Beiträge zur Kenntnis wirbelloser Thiere. Brunswick, Viehweg und Sohn, Braunschweig: Freidrich Vieweg und Sohn. Pp. 1-170, pls. 1, 2.</em> [pp. 110-130]. [:165, Caligus leptochillus]., available online at http://www.biodiversitylibrary.org/bibliography/2128
page(s): 165 [details]
original description (of Caligus arcticus Brandes, 1956) Brandes, C.H. (1956). Caligus arcticus n. sp., ein parasitischer Copepode auf Trachypterus arcticus Brünnich. [Caligus arcticus n. sp., a parasitic copepod on Trachypterus arcticus Brünnich.]. <em>Veröffentlichungen des Instituts für Meeresforschung in Bremerhaven.</em> 4(2):171-181, pls. 1-2. [details] Available for editors
[request]original description (of Caligus latifrons Wilson C.B., 1905) Wilson, C.B. (1905). North American parasitic copepods belonging to the family Caligidae. Part 1.- The Caliginae. Proceedings of the United States National Museum 28(1404):479-672, pls. 5-29. (23-vi-1905). [details]
original description (of Caligus rabidus Leigh-Sharpe, 1936) Leigh-Sharpe, W.H. (1936). Some rare and new parasitic Copepoda, etc., from Brighton and elsewhere. Parasitology, Cambridge 28:410-413, figs. 1-2. (20-vii-1936) [details] Available for editors
[request]original description (of Caligus kroyeri Milne Edwards, 1840) Milne Edwards, H. (1840). Ordre des Copépodes. [Order Copepoda]. <em>Histoire naturelle des Crustaces, comprenant l'anatomie, la physiologie et la classification de ces animaux. [In: Natural history of Crustacea, including the anatomy, physiology and classification of these animals]].</em> 3: 411-529., available online at https://www.biodiversitylibrary.org/page/16103940 [details]
original description (of Caligus lumpi Krøyer, 1863) Krøyer, H. (1863-1864). Bidrag til Kundskab om Snyltekrebsene. <em>Naturhistorisk Tidsskrift Ser. III.</em> 2(1/2): 75-320, pls. 1-9 [1863]; 2(3): 321-432, pls. 10-18 [1864]. [details]
original description (of Caligus rissoanus Milne Edwards, 1840) Milne Edwards, H. (1840). Ordre des Copépodes. [Order Copepoda]. <em>Histoire naturelle des Crustaces, comprenant l'anatomie, la physiologie et la classification de ces animaux. [In: Natural history of Crustacea, including the anatomy, physiology and classification of these animals]].</em> 3: 411-529., available online at https://www.biodiversitylibrary.org/page/16103940 [details]
original description (of Caligus trachypteri Krøyer, 1863) Krøyer, H. (1863-1864). Bidrag til Kundskab om Snyltekrebsene. <em>Naturhistorisk Tidsskrift Ser. III.</em> 2(1/2): 75-320, pls. 1-9 [1863]; 2(3): 321-432, pls. 10-18 [1864]. [details]
taxonomy source Parker, R.R. (1969). Validity of the binomen Caligus elongatus for a common parasitic copepod formerly misidentified with Caligus rapax. Journal of the Fisheries Research Board of Canada 26(4):1013-1035, figs. 1-22. [details] Available for editors
[request]context source (BeRMS 2020) Bio-environmental research group; Institute of Agricultural and Fisheries research (ILVO), Belgium; (2015): Zooplankton monitoring in the Belgian Part of the North Sea between 2009 and 2010. [details]
basis of record Boxshall, G. (2001). Copepoda (excl. Harpacticoida), <B><I>in</I></B>: Costello, M.J. <i>et al.</i> (Ed.) (2001). <i>European register of marine species: a check-list of the marine species in Europe and a bibliography of guides to their identification. Collection Patrimoines Naturels,</i> 50: pp. 252-268 (look up in IMIS) [details]
additional source Brunel, P., L. Bosse & G. Lamarche. (1998). Catalogue of the marine invertebrates of the estuary and Gulf of St. Lawrence. <em>Canadian Special Publication of Fisheries and Aquatic Sciences, 126.</em> 405 pp. (look up in IMIS) [details] Available for editors
[request]additional source Hogans, W.E. (1993). Guide to common external parasites of fishes of the Canadian Atlantic: I. Crustacea: Isopoda, Amphipoda, Brachiura & Copepoda. ARC Species ID Leaflet #93-01-INV. [details]
additional source Heuch, P.A., O. Øines, J.A. Knutsen & T.A. Schram. (2007). Infection of wild fishes by the parasitic copepod Caligus elongatus on the south east coast of Norway. <em>Diseases of Aquatic Organisms.</em> 77(2):149-158., available online at https://doi.org/10.3354/dao01833 [details] Available for editors
[request]additional source Baevre-Jensen, M. (2001). Population dynamics of the two sea lice species Lepeophtheirus salmonis (Krøyer, 1837) and Caligus elongatus (von Nordmann, 1832) on farmed Atlantic salmon (Salmo salar L.). <em>M.Sc. Thesis, Norges Fiskerihrgskole, University of Tromso, Tromso, Norway.</em> [details]
additional source Hogans, W.E. & D.J. Trudeau. (1989). Caligus elongatus (Copepoda: Caligoida) from Atlantic salmon (Salmo salar) cultured in marine waters of the Lower Bay of Fundy. Canadian Journal of Zoology 67(4):1080-1082. (French summary.) [details] Available for editors
[request]additional source Hogans, W.E. & D.J. Trudeau. (1989). Preliminary studies on the biology of sea lice, Caligus elongatus, Caligus curtus and Lepeophtheirus salmonis (Copepoda: Caligoida) parasitic on cage-cultured salmonids in the lower Bay of Fundy. Canadian Technical Report of Fisheries and Aquatic Sciences 1715:i-iv, 1-14. [details] Available for editors
[request]additional source Bruno, D.W. & J. Stone. (1990). The role of saithe, Pollachius virens L., as a host for the sea lice, Lepeophtheirus salmonis Kroyer and Caligus elongatus Nordmann. Aquaculture 89(3-4):201-207. [details]
additional source Bron, J.E. & J.W. Treasurer. (1992). Sea lice (Caligidae) on wrasse (Labridae) from selected British wild and salmon-farm sources. Journal of the Marine Biological Association of the United Kingdom 72(3):645-650, tabs. 1-2. [details] Available for editors
[request]additional source Copley, L., T.D. Tierney, F. Kane, O. Naughton, S. Kennedy, P. O'Donohoe, D. Jackson & D. Grath. (2005). Sea lice, Lepeophtheirus salmonis and Caligus elongatus, levels on salmon returning to the west coast of Ireland, 2003. Journal of the Marine Biological Association of the United Kingdom 85(1): 87-92. [details] Available for editors
[request]additional source Shaw, R. & M. Opitz. (1996). Abundance of the parasitic copepod Caligus elongatus on wild pollock near commercial salmonid net-pens. Journal of Aquatic Animal Health 8(1):75-77. [details] Available for editors
[request]additional source Cross, T.F. & S.P. Johnson. (1976). The parasitic copepod, Caligus elongatus Nordmann, 1832, on the bluefish, Pomatomus saltatrix (L. 1758): a first host record. Irish Naturalists' Journal 18(11):337. (vii-1976) [details]
additional source Dollfus, R.P. (1971). Variation chez Caligus elongatus Al. von Nordmann 1832. [Variation of Caligus elongatus Al. von Nordmann 1832.]. <em>Journal of Parasitology.</em> 57(4)section2:47. Abstract. [details] Available for editors
[request]additional source Ellis, A.E., N. Masson & A.L.S. Munro. (1990). A comparison of proteases extracted from Caligus elongatus (Nordmann, 1832) and Lepeophtheirus salmonis (Kroyer, 1838). <em>Journal of Fish Diseases, Oxford, U.K.</em> 13(2):163-165., available online at https://doi.org/10.1111/j.1365-2761.1990.tb00769.x [details]
additional source Faasse, M.A. (2005). De snotolf een dierentuin. Over Caligus elongatus (Copepoda) en Udonella caligorum (Platyhelminthes, Monogenea). [The lumpfish as a zoological garden. On Caligus elongatus (Copepoda) and Udonella caligorum (Platyhelminthes, Monogenea).]. <em>Het Zeepaard.</em> 65(4): 123-127.(Dutch). [details] Available for editors
[request]additional source Gusev, A.V. (1987). Class Crustacea Lamarck, 1801. <em>In: Bauer, O.N. (ed.). Opredelitel' parazitov presnovodnykh ryb SSSR. [Key to the Parasites of Freshwater Fishes of the USSR.] Opredeliteli po Faune SSSR, Zoologicheskii Instituta SSSR. Nauka, Leningrad.</em> 3(149):378-432. [details] Available for editors
[request]additional source Hewitt, G.C. (1971). Two species of Caligus (Copepoda, Caligidae) from Australian waters, with a description of some developmental stages. Pacific Science 25(2):145-164, figs. 1-78. (iv-1971) [details] Available for editors
[request]additional source Jackson, D. (1998). Caligus elongatus as parasites of farmed salmonids in Ireland. In: Proceedings and Abstracts of the 4th International Crustacean Congress, Amsterdam, 20-24 July 1998 [shelved under 'Proceedings'] :116. [abstract] [details]
additional source Jackson, D. & D. Minchin. (1992). Aspects of the reproductive output of two caligid copepod species parasitic on cultivated salmon. <em>Invertebrate Reproduction and Development.</em> 22(1-3):87-90., available online at https://doi.org/10.1080/07924259.1992.9672260 [details] Available for editors
[request]additional source Jackson, D., S. Deady, D. Hassett & Y. Leahy. (2000). Caligus elongatus as parasites of farmed salmonids in Ireland. In: Schram, F.R. (ed.), Contributions to Zoology Bijdragen tot de Dierkunde. Proceedings of the third international workshop on sea lice, Amsterdam, July 22-24, 1998. 69(1-2):65-70. [details] Available for editors
[request]additional source Johnsen, M. (2001). Population dynamics of the two sea lice species Lepeophtheirus salmonis (Krøyer, 1837) and Caligus elongatus (von Nordmann, 1832) on farmed Atlantic salmon (Salmo salar L.) and wild sea trout (Salmo trutta L.) in northern Norway, and possible ways of salm Candidata Scientiarum Thesis, University of Tromsø, Tromsø, Norway. 53 pp. [details]
additional source Jones, J.B. (1988). New Zealand parasitic Copepoda; genus Caligus Müller, 1785 (Siphonostomatoida: Caligidae). <em>New Zealand Journal of Zoology.</em> 15(3):397-413., available online at https://doi.org/10.1080/03014223.1988.10422966 [details] Available for editors
[request]additional source Kabata, Z. (1979). Parasitic Copepoda of British Fishes. <em>The Ray Society, London.</em> 152: i-xii, 1-468, figs. 1-203. [details] Available for editors
[request]additional source Kunz, H. (1993). Beitrag zur Kenntnis von zwei Psammopsyllus-Arten (Copepoda, Harpacticoida, Cylindropsyllidae). [Contribution to the knowledge of two Psammopsyllus species (Copepoda, Harpacticoida, Cylindropsyllidae).]. <em>Crustaceana (Leiden).</em> 64(2):143-154. [details] Available for editors
[request]additional source Laverack, M.S. & M.Q. Hull. (1993). Sensory innervation of the antenna of the pre-adult male Caligus elongatus. <em>In: Boxshall, G.A. & D. Defaye (eds.). Pathogens of Wild and Farmed Fish. Sea Lice. Ellis Horwood, Chichester, United Kingdom, 392 pp.</em> :114-124. [details] Available for editors
[request]additional source McKenzie, E., G. Gettinby, K. McCart & C.W. Revie. (2004). Time-series models of sea lice Caligus elongatus (Nordmann) abundance on Atlantic salmon Salmo salar L. in Loch Sunart, Scotland. <em>Aquaculture Research.</em> 35(8):764-772., available online at https://doi.org/10.1111/j.1365-2109.2004.01099.x [details] Available for editors
[request]additional source MacKenzie, K. & J.A. Morrison. (1989). An unusually heavy infestation of herring (Clupea harengus L.) with the parasitic copepod Caligus elongatus Nordmann, 1832. Bulletin of the European Association of Fish Pathologists 9(1):12-13. [details] Available for editors
[request]additional source MacKinnon, B.M. (1993). Response of the copepodid larvae of Caligus elongatus to light, and the ultrastructure of the eyes. <em>Canadian Journal of Fisheries and Aquatic Sciences.</em> 50(4):793-799., available online at https://doi.org/10.1139/f93-092 [details] Available for editors
[request]additional source MacKinnon, B.M. (1993). Host response of Atlantic salmon (Salmo salar) to infection by sea lice (Caligus elongatus). <em>Canadian Journal of Fisheries and Aquatic Sciences.</em> 50(4):789-792., available online at https://doi.org/10.1139/f93-091 [details] Available for editors
[request]additional source MacKinnon, B.M. (1995). The poor potential of cunner, Tautogolabrus adsperus, to act as cleaner fish in removing sea lice (Caligus elongatus) from farmed salmon in eastern Canada. Canadian Journal of Fisheries and Aquatic Sciences 52(Suppl. 1):175-177. [details] Available for editors
[request]additional source MacKinnon, B.M. & A. Mustafa. (1992). Caligus elongatus: the importance of host factors in infection intensity. In: Noel, P. (ed.). Proceedings of the First European Crustacean Conference, Paris, August 31-September 5, 1992 (Abstracts) :92. (Abstract) [details]
additional source MacKinnon, B.M. & W. Piasecki. (1992). Reproduction in Caligus elongatus: How sea lice become so numerous. Bulletin of the Aquaculture Association of Canada 3:20-21. (Abstract.) [details] Available for editors
[request]additional source Marshall, S. (2003). The incidence of sea lice infestations on wild sea trout compared to farmed salmon. <em>Bulletin of the European Association of Fish Pathologists.</em> 23(2): 72-79. [details] Available for editors
[request]additional source McBeath, A.J.A., M.J. Penston, M. Snow, P.F. Cook, I.R. Bricknell & C.O. Cunningham. (2006). Development and application of real-time PCR for the specific detection of Lepeophtheirus salmonis and Caligus elongatus larvae in Scottish plankton samples. Diseases of Aquatic Organisms 73:141-150. [details] Available for editors
[request]additional source McCarney, P., L. Copley, S. Kennedy, C. Nulty & D. Jackson. (2002). National survey of sea lice (Lepeophtheirus salmonis Kroyer and Caligus elongatus Nordmann) on fish farms in Ireland - 2001. Fishery Leaflet, Dublin 181:1-28. [details]
additional source Ramakrishnan, P. (1980). Revision of the Caligidae (Copepoda) with special reference to the Indian fauna. Ph.D. Thesis, University of Kerala 400pp. + 15 plates. [details] Available for editors
[request]additional source Mulyadi. (1999). New records and taxonomic reexamination of the genus Labidocera (Copepoda: Calanoida), with notes on their species groups and distribution in Indonesian waters. Treubia, A Journal on Zoology of the Indo-Australian Archipelago Bogor 31(3):219-263. [details] Available for editors
[request]additional source Mustafa, A. (1997). Host factors important in determining infection intensity with the sea louse, Caligus elongatus Nordmann, 1832, in Atlantic salmon, Salmo salar L. and Arctic charr, Salvelinus alpinus (L.). Ph.D. Dissertation, University of New Brunswick, Fredericton, New Brunswick, Canada. 184 pp. [details]
additional source Mustafa, A., B. MacKinnon & W. Piasecki. (2005). Interspecific differences between Atlantic salmon and Arctic charr in susceptibility to infection with larval and adult Caligus elongatus: effect of skin mucus protein profiles and epidermal histological differences. <em>Acta Ichthyologica et Piscatoria.</em> 35(1): 7-13., available online at https://doi.org/10.3750/aip2005.35.1.02 [details] Available for editors
[request]additional source Muxagata, E.M. & J.A. Williams. (2004). The Mesozooplankton of the Solent-Southampton Water system: a photographic guide. Southampton Oceanography Centre, Southampton, U.K. 103 pp. [details] Available for editors
[request]additional source Nowak, B. & C. Hayward. (2005). The interaction of the copepod Caligus elongatus with southern bluefin tuna. Tuna Brief 5:1-2. [details]
additional source O'Donohoe, P., F. Kane, S. Kennedy, O. Naughton, P. Nixon, A. Power & D. Jackson. (2006). National survey of sea lice (Lepeophtheirus salmonis Kroyer and Caligus elongatus Nordmann) on fish farms in Ireland - 2005. Irish Fisheries Bulletin 24:1-32. [details]
additional source O'Donohoe, P., S. Kennedy, L. Copley, F. Kane, O. Naughton & D. Jackson. (2004). National survey of sea lice (Lepeophtheirus salmonis Kroyer and Caligus elongatus Nordmann) on fish farms in Ireland - 2003. Marine Institute Fishery Leaflet 184:1-32. [details]
additional source Øines, O. & P.A. Heuch. (2005). Identification of sea louse species of the genus Caligus using mtDNA. <em>Journal of the Marine Biological Association of the United Kingdom.</em> 85(1):73-79. [details] Available for editors
[request]additional source Øines, O. & P.A. Heuch. (2007). Caligus elongatus Nordmann genotypes on wild and farmed fish. <em>Journal of Fish Diseases.</em> 30(2):81-91. [details] Available for editors
[request]additional source Øines, O., J.H. Simonsen, J.A. Knutsen & P.A. Heuch. (2006). Host preference of adult Caligus elongatus Nordmann in the laboratory and its implications for Atlantic cod aquaculture. <em>Journal of Fish Diseases.</em> 29(3):167-174. [details] Available for editors
[request]additional source O'Reilly, M.G. (1998). Whale-lice (Amphipoda: Cyamidae) and sea lice (Copepoda: Caligidae) from stranded whales in the Firth of Forth. Glasgow Naturalist 23(3):24-26. [details] Available for editors
[request]additional source Piasecki, W. (1993). Life cycle of Caligus elongatus von Nordmann (Copepoda, Siphonostomatoida). In: World Association of Copepodologists: Fifth International Conference on Copepoda. Baltimore, Maryland. :75 (abstract). [details]
additional source Piasecki, W. (1996). The developmental stages of Caligus elongatus von Nordmann, 1832 (Copepoda: Caligidae). Canadian Journal of Zoology 74(8): 1459-1478. [details] Available for editors
[request]additional source Piasecki, W. & B.M. MacKinnon. (1993). Changes in structure of the frontal filament in sequential developmental stages of Caligus elongatus von Nordmann, 1832 (Crustacea: Copepoda: Siphonostomatoida). Canadian Journal of Zoology 71:889-895. [details] Available for editors
[request]additional source Piasecki, W. & B.M. MacKinnon. (1995). Life cycle of a sea louse, Caligus elongatus von Nordmann, 1832 (Copepoda, Siphonostomatoida, Caligidae). Canadian Journal of Zoology 73:74-82. [details] Available for editors
[request]additional source Pike, A.W. & K. MacKenzie. (1992). The structure and development of the frontal filaments of Lepeophtheirus salmonis and Caligus elongatus. In: Noel, P. (ed.). Proceedings of the First European Crustacean Conference, Paris, August 31-September 5, 1992 (Abstracts) :116. (Abstract) [details]
additional source Pike, A.W., A.J. Mordue & G. Ritchie. (1993). The development of Caligus elongatus Nordmann from hatching to copepodid in relation to temperature. In: Boxshall, G.A. & D. Defaye (eds.). Pathogens of wild and farmed fish: sea lice. Ellis Horwood, New York, London etc. 378pp. :51-60. [details] Available for editors
[request]additional source Pike, A.W., K. Mackenzie & A. Rowand. (1993). Ultrastructure of the frontal filament in chalimus larvae of Caligus elongatus and Lepeophtheirus salmonis from Atlantic salmon, Salmo salar. In: Boxshall, G.A. & D. Defaye (eds.). Pathogens of wild and farmed fish: sea lice. Ellis Horwood, New York, London etc. 378pp. :99-113. [details] Available for editors
[request]additional source Revie, C.W., G. Gettinby & J.W. Treasurer. (2004). Study reveals regularity of Caligus elongatus infection. Fish Farmer 27(3):8-10. [details]
additional source Revie, C.W., G. Gettinby, J.W. Treasurer & G.H. Rae. (2002). The epidemiology of the sea lice, Caligus elongatus Nordmann, in marine aquaculture of Atlantic salmon, Salmo salar L., in Scotland. <em>Journal of Fish Diseases.</em> 25 (7): 391-399., available online at https://doi.org/10.1046/j.1365-2761.2002.00388.x [details] Available for editors
[request]additional source Schram, T.A., J.A. Knutsen, P.A. Heuch & T.A. Mo. (1998). Seasonal occurrence of Lepeophtheirus salmonis and Caligus elongatus (Copepoda: Caligidae) on sea trout (Salmo trutta), off southern Norway. ICES (International Council for the Exploration of the Sea) Journal of Marine Science 55(2):163-175. (iv.1998), available online at https://doi.org/10.1006/jmsc.1997.0357 [details] Available for editors
[request]additional source Somdal, O. & T.A. Schram. (1992). Ectoparasites on northeast Atlantic mackerel (Scomber scombrus L.) from western and North Sea stocks. Sarsia, Bergen 77(1):19-31, figs. 1-2, tabs. 1-13. [details] Available for editors
[request]additional source Stone, J., I.H. Sutherland, C. Sommerville, R.H. Richards & K.L. Varma. (2000). Commercial trials using emamectin benzoate to control, Lepeophtheirus salmonis (Kröyer) and Caligus elongatus (Nordmann), infestations in Atlantic salmon, Salmo salar L. <em>Diseases of Aquatic Organisms.</em> 41(2):141-149. [details] Available for editors
[request]additional source Todd, C.D. (2007). The copepod parasite (Lepeophtheirus salmonis (Krøyer), Caligus elongatus Nordmann) interactions between wild and farmed Atlantic salmon (Salmo salar L.) and wild sea trout (Salmo trutta L.): a mini-review. <em>In: Souissi, S., M.N. Daly Yahia & J.S. Hwang (eds.). Proceedings of the 9th International Conference on Copepoda, Hammamet, Tunisia, 11-15 July 2005. Journal of Plankton Research.</em> 29(Suppl. 1):61-71. [details] Available for editors
[request]additional source Todd, C.D., B.D.M. Whyte, J.C. MacLean & A.M. Walker. (2006). Ectoparasitic sea lice (Lepeophtheirus salmonis and Caligus elongatus) infestations of wild, adult, one sea-winter Atlantic salmon Salmo salar returning to Scotland. Marine Ecology Progress Series 328:183-193. [details] Available for editors
[request]additional source Tully, O., P. Daly, S. Lysaght, S. Deady & S.J.A. Varian. (1996). Use of cleaner-wrasse (Centrolabrus exoletus (L.) and Ctenolabrus rupestris (L.) to control infestations of Caligus elongatus Nordmann on farmed Atlantic salmon. Aquaculture 142(1-2):11-24. [details] Available for editors
[request]additional source Øines, O. (2007). Host selection and infection strategies in Caligus elongatus. <em>Doctor Scientiarum, Norwegian School of Veterinary Science, Oslo, Norway.</em> 100 pp. [details] Available for editors
[request]additional source MacKenzie, K., N. Campbell, S. Mattiucci, P. Ramos, A.L. Pinto & P. Abaunza. (2008). Parasites as biological tags for stock identification of Atlantic horse mackerel Trachurus trachurus L. <em>Fisheries Research.</em> 89(2):136-145., available online at https://doi.org/10.1016/j. [details] Available for editors
[request]additional source Øines, Ø. & T. Schram. (2008). Intra- or inter-specific difference in genotypes of Caligus elongatus Nordmann 1832? Acta Parasitologica 53(1):93-105. [details] Available for editors
[request]additional source Webber, W.R., G.D. Fenwick, J.M. Bradford-Grieve, S.G. Eagar, J.S. Buckeridge, G.C.B. Poore, E.W. Dawson, L. Watling, J.B. Jones, J.B.J. Wells, N.L. Bruce, S.T. Ahyong, K. Larsen, M.A. Chapman, J. Olesen, J.S. Ho, J.D. Green, R.J. Shiel, C.E.F. Rocha, A. Lörz, G.J. Bird & W.A. Charleston. (2010). Phylum Arthropoda Subphylum Crustacea: shrimps, crabs, lobsters, barnacles, slaters, and kin. <em>in: Gordon, D.P. (Ed.) (2010). New Zealand inventory of biodiversity: 2. Kingdom Animalia: Chaetognatha, Ecdysozoa, Ichnofossils.</em> pp. 98-232 (COPEPODS 21 pp.). [details] Available for editors
[request]additional source Kilburn, R., I.R. Bricknell, P. Cook, C.C. Pert, J. Dunn & I. Matejusova. (2010). Design and application of a portable, automated plankton sampler for the capture of the parasitic copepods Lepeophtheirus salmonis (Krøyer 1837) and Caligus elongatus (Von Nordmann 1832). Journal of Plankton Research 32(6):967-970. [details] Available for editors
[request]additional source Reilly, P. & M.F. Mulcahy. (1993). Humoral antibody response in Atlantic salmon (Salmo salar L.) immunised with extracts derived from the ectoparasite caligid copepods, Caligus elongatus (Nordmann, 1832) and Lepeophtheirus salmonis (Kroyer, 1838). <em>Fish and Shellfish Immunology.</em> 3(1):59-70., available online at https://doi.org/10.1006/fsim.1993.1006 [details]
additional source O'Donohoe, P., F. Kane, S. Kelly, T. McDermott, A. Drumm & D. Jackson. (2011). National survey of sea lice (Lepeophtheirus salmonis Kroyer and Caligus elongatus Nordmann) on fish farms in Ireland - 2010.Irish Fisheries Bulletin, 34:1-33. [details]
additional source Anonymous. (2014). National survey of sea lice (Lepeophtheirus salmonis Kroyer and Caligus elongatus Nordmann) on fish farms in Ireland-2013. Irish Fisheries Bulletin, 44:1-29. [details]
additional source a Noroi, G., K. Simonsen, E. Danielsen, K. Eliasen, A. Mols-Mortensen, D.H. Christiansen, P. Steingrund, M. Galbraith & O. Patursson. (2015). Abundance and distribution of planktonic Lepeophtheirus salmonis and Caligus elongatus in a fish farming region in the Faroe Islands. <em>Aquaculture Environment Interactions.</em> 7(1):15-27., available online at https://doi.org/10.3354/aei00134 [details] Available for editors
[request]additional source O'Donohoe, P., F. Kane, S. Kelly, T. McDermott, A. Drumm, P. Nixon & D. Jackson. (2016). National survey of sea lice (Lepeophtheirus salmonis Kroyer and Caligus elongatus Nordmann) on fish farms in Ireland-2015. Irish Fisheries Bulletin, 46:1-27. [details]
additional source Gargan, P.G., E. Karlsbakk, J. Coyne, C. Davies & W. Roche. (2016). Sea lice (Lepeophtheirus salmonis and Caligus elongatus) infestation levels on sea trout (Salmo trutta L.) around the Irish Sea, an area without salmon aquaculture. <em>ICES Journal Of Marine Science.</em> 73(9):2395-2407., available online at https://doi.org/10.1093/icesjms/fsw044 [details] Available for editors
[request]additional source Glover, K.A., T. Aasmundstad, F. Nilsen, A. Storset & . Skaala. (2005). Variation of Atlantic salmon families (Salmo salar L.) in susceptibility to the sea lice Lepeophtheirus salmonis and Caligus elongatus. <em>Aquaculture.</em> 245(1-4):19-30., available online at https://doi.org/10.1016/j.aquaculture.2004.11.047 [details] Available for editors
[request]additional source O'Donohoe, P., F. Kane, S. Kelly, T. McDermott, J. D'Arcy, J. Casserly, P. Nixon & D. Jackson (2017). National survey of sea lice (Lepeophtheirus salmonis Kroyer and Caligus elongatus Nordmann) on fish farms in Ireland-2016. <em>Irish Fisheries Bulletin</em>. 47: 1-33 [details] Available for editors
[request]additional source Agusti-Ridaura, C., L.A. Hamre, P.G. Espedal, O. Oines, T.E. Horsberg & K. Kaur. (2019). First report on sensitivity of Caligus elongatus towards anti-louse chemicals and identification of mitochondrial cytochrome C oxidase I genotypes. <em>Aquaculture.</em> 507:190-195., available online at https://doi.org/10.1016/j.aquaculture.2019.04.022 [details] Available for editors
[request]additional source O'Donohoe, P., F. Kane, S. Kelly, T. McDermott, J. D'arcy, J. Casserly, J. Downes & D. Jackson. (2018). National Survey of Sea Lice (Lepeophtheirus salmonis Kroyer and Caligus elongatus Nordmann) on Fish Farms in Ireland - 2017. Irish Fisheries Bulletin, 48:1-28. [details]
additional source O'Donohoe, P., F. Kane, S. Kelly, T. McDermott, J. D'Arcy, J. Casserly, J. Downes, S. McLoughlin & D. Jackson. (2019). National survey of sea lice (Lepeophtheirus salmonis Kroyer and Caligus elongatus Nordmann) on fish farms in Ireland-2018. Irish Fisheries Bulletin, 49:1-26. [details] Available for editors
[request]additional source Vinoth, R., T.T. Ajith Kumar, S. Ravichandran, M. Gopi & G. Rameshkumar. (2010). Infestation of copepod parasites in the food fishes of Vellar Estuary, southeast coast of India. <em>Acta Parasitologica Globalis.</em> 1(1):1-5. [details] Available for editors
[request]additional source Nowak, B.F., C.J. Hayward, L. González, N.J. Bott & R.J.G. Lester. (2011). Sea lice infections of salmonids farmed in Australia. <em>Aquaculture.</em> 320:171-177. [details] Available for editors
[request]additional source Hemmingsen, W., K. MacKenzie, K. Sagerup, M. Remen, K. Bloch-Hansen & A.K.D. Imsland. (2020). Caligus elongatus and other sea lice of the genus Caligus as parasites of farmed salmonids: A review. <em>Aquaculture.</em> 522:1-12. 735160 MAY 2020., available online at https://doi.org/10.1016/j.aquaculture.2020.735160 [details] Available for editors
[request]additional source Abdel-Gaber, R., S. Al-Quraishy, M.A. Dkhil, M. Elamin & M. Alghamdi. (2020). Morphological analysis of Caligus elongatus von Nordmann, 1832 (Copepoda: Caligidae) from the rosy goatfish Parupeneus rubescens (Mullidae). <em>Microscopy Research And Technique.</em> 83(11):1369-1380. Nov 2020., available online at https://doi.org/10.1002/jemt.23528 [details] Available for editors
[request]additional source Tadros, S.W.A., A.K. El-Gayar & E.M. Abouelhassan. (2020). Prevalence of ecto- and endoparasites of the Sea bass Dicentrachus Labrax in Port Said Governorate, Egypt. <em>Egyptian Journal of Aquatic Biology & Fisheries.</em> 24(7): 629 – 643. [details] Available for editors
[request]additional source Gravil, H.R. (1996). Studies on the biology and ecology of the free swimming larval stages of Lepeophtheirus salmonis (Krøyer, 1838) and Caligus elongatus Nordmann, 1832 (Copepoda: Caligidae). <em>PhD Thesis, School of Natural Sciences, University of Stirling, Stirling, Scotland, UK.</em> 292 pp., available online at http://hdl.handle.net/1893/2380 [details] Available for editors
[request]additional source Øvergård, A.C., A. Borchel , C. Eichner, S. Hjertaker, J. Nagata, H.M.D. Midtbø, P.A. Nelson, F. Nilsen & L.A. Hamre. (2025). The generalist Caligus elongatus is better at dampening the Atlantic salmon immune response than the salmonid specialist Lepeophtheirus salmonis. <em>Fish and Shellfish Immunology.</em> 160:1-15., available online at https://doi.org/10.1016/j.fsi.2025.110225 [details] Available for editors
[request]additional source Zubchenko, A.V. (1993). Vertikal'nyye zony i formatsii parazitofauny glubokovodnykh ryb pribrezhnykh rayonov Severnoy Atlantiki. [Vertical zones and formations of the parasitic fauna in deepwater fishes from the off-shore areas of the North Atlantiс. ]. <em>In: Vorobjova, N.K., S.S. Drobysheva, A.V. Zubchenko, A.B. Karasev, P.I. Savvatimsky & V.K. Mitenev (Eds.). Parasitological Studies of Fish in the Northern Basin: Selected Papers/PINRO. Murmansk, Russia.</em> :39-60. [In Russian]. [details] Available for editors
[request]additional source Donohoe, P., F. Kane, S. Kelly, T. McDermott, A. Drumm & D. Jackson. (2015). National Survey of Sea Lice (Lepeophtheirus salmonis Krøyer and Caligus elongatus Nordmann) on Fish Farms in Ireland - 2014. <em>Irish Fisheries Bulletin, Ireland.</em> 45:1-31. [details] Available for editors
[request]additional source Borchel, A. & F. Nilsen. (2025). Transcriptomic insights into the low-salinity tolerance of the sea louse Caligus elongatus. <em>Journal of Comparative Physiology B Biochemical Systemic and Environmental Physiology.</em> 195(2):155-171. Apr 2025., available online at https://doi.org/10.1007/s00360-025-01606-3 [details] Available for editors
[request]additional source Morales-Serna, F.N. (2025). Global patterns of modularity and narrow host use in fish-parasitic copepods (Crustacea). <em>Biodiversity Data Journal.</em> 13: 1-16. Sep 2025 e163693., available online at https://doi.org/10.3897/BDJ.13.e163693 [details] Available for editors
[request]additional source Integrated Taxonomic Information System (ITIS). , available online at http://www.itis.gov [details]
redescription Parker, R.R. (1969). Validity of the binomen Caligus elongatus for a common parasitic copepod formerly misidentified with Caligus rapax. Journal of the Fisheries Research Board of Canada 26(4):1013-1035, figs. 1-22. [details] Available for editors
[request]
Present Inaccurate Introduced: alien Containing type locality
From editor or global species database
Distribution cosmopolitan found in most regions of the world [details]Taxonomic remark Two forms of C. elongatus have been identified using molecular markers. [details]
Unreviewed
Habitat ectoparasite found on Hippoglossus hippoglossus [details]
To Barcode of Life (15 barcodes)
To Biodiversity Heritage Library (2 publications) (from synonym Caligus guerini Guiart, 1913)
To Biodiversity Heritage Library (23 publications)
To Biodiversity Heritage Library (7 publications) (from synonym Caligus leptochilus Leuckart in Frey & Leuckart, 1847)
To European Nucleotide Archive, ENA (Caligus elongatus)
To GenBank (41 nucleotides; 25 proteins) (from synonym Caligus guerini Guiart, 1913)
To PESI
To PESI (from synonym Caligus leptochilus Leuckart in Frey & Leuckart, 1847)
To PESI (from synonym Caligus guerini Guiart, 1913)
To USNM Invertebrate Zoology Arthropoda Collection (1 record) (from synonym Caligus latifrons Wilson C.B., 1905)
To USNM Invertebrate Zoology Arthropoda Collection (Holotype USNM 42035) (from synonym Caligus latifrons Wilson C.B., 1905)
To ITIS
To Biodiversity Heritage Library (2 publications) (from synonym Caligus guerini Guiart, 1913)
To Biodiversity Heritage Library (23 publications)
To Biodiversity Heritage Library (7 publications) (from synonym Caligus leptochilus Leuckart in Frey & Leuckart, 1847)
To European Nucleotide Archive, ENA (Caligus elongatus)
To GenBank (41 nucleotides; 25 proteins) (from synonym Caligus guerini Guiart, 1913)
To PESI
To PESI (from synonym Caligus leptochilus Leuckart in Frey & Leuckart, 1847)
To PESI (from synonym Caligus guerini Guiart, 1913)
To USNM Invertebrate Zoology Arthropoda Collection (1 record) (from synonym Caligus latifrons Wilson C.B., 1905)
To USNM Invertebrate Zoology Arthropoda Collection (Holotype USNM 42035) (from synonym Caligus latifrons Wilson C.B., 1905)
To ITIS
From editor or global species database
