WoRMS taxon details
Elasmopus rapax A. Costa, 1853
102805 (urn:lsid:marinespecies.org:taxname:102805)
accepted
Species
Elasmopus affinis Della Valle, 1893 · unaccepted
Elasmopus congoensis Shoemaker, 1920 · unaccepted
Gammarus brevicaudatus H. Milne Edwards, 1830 sensu Spence Bate, 1857 · unaccepted (misapplication)
Maera brevicaudata (Spence Bate & Westwood, 1862) · unaccepted (junior subjective synonym)
Megamoera brevicaudata Spence Bate & Westwood, 1862 · unaccepted > junior subjective synonym
- Forma Elasmopus rapax f. barbata Schellenberg, 1925 accepted as Elasmopus barbatus Schellenberg, 1925 (unaccepted > superseded rank)
- Subspecies Elasmopus rapax mutatus J.L. Barnard, 1962 accepted as Elasmopus mutatus J.L. Barnard, 1962 (unaccepted > superseded rank)
- Subspecies Elasmopus rapax serricatus J.L. Barnard, 1969 accepted as Elasmopus serricatus J.L. Barnard, 1969 (raised to species level)
- Variety Elasmopus rapax var. dentipalma Walker, 1916 accepted as Elasmopus dentipalmus Walker, 1916 (unaccepted > superseded rank)
marine, brackish, fresh, terrestrial
recent only
Costa, A. (1853). Richerche sui crostacei amfipodi del regno di Napoli / del Dot. Achille Costa. <em>Mem. Reale Accad. Sc. Napoli.</em> 1, 165-235., available online at https://www.biodiversitylibrary.org/bibliography/2070#/summary [details]
Depth range Littoral (0 to 30 m).
Depth range Littoral (0 to 30 m). [details]
Horton, T.; Lowry, J.; De Broyer, C.; Bellan-Santini, D.; Copilas-Ciocianu, D.; Corbari, L.; Costello, M.J.; Daneliya, M.; Dauvin, J.-C.; Fišer, C.; Gasca, R.; Grabowski, M.; Guerra-García, J.M.; Hendrycks, E.; Hughes, L.; Jaume, D.; Jazdzewski, K.; Kim, Y.-H.; King, R.; Krapp-Schickel, T.; LeCroy, S.; Lörz, A.-N.; Mamos, T.; Senna, A.R.; Serejo, C.; Souza-Filho, J.F.; Tandberg, A.H.; Thomas, J.D.; Thurston, M.; Vader, W.; Väinölä, R.; Valls Domedel, G.; Vonk, R.; White, K.; Zeidler, W. (2026). World Amphipoda Database. Elasmopus rapax A. Costa, 1853. Accessed through: World Register of Marine Species at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=102805 on 2026-01-18
Date
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Nomenclature
original description
Costa, A. (1853). Richerche sui crostacei amfipodi del regno di Napoli / del Dot. Achille Costa. <em>Mem. Reale Accad. Sc. Napoli.</em> 1, 165-235., available online at https://www.biodiversitylibrary.org/bibliography/2070#/summary [details]
original description (of Elasmopus congoensis Shoemaker, 1920) Shoemaker, C. R. (1920). Amphipods collected by the American Museum Congo Expedition 1909-1915. <em>Bulletin of the American Museum of Natural History.</em> 43: 371-378. [details]
original description (of Elasmopus affinis Della Valle, 1893) Della Valle, A. (1893). Gammarini del golfo di Napoli. <em>Fauna und Flora des Golfes von Neapel und der angrenzenden Meeres-Abschnitte.</em> 20: 1-948, pls: 1-61., available online at https://books.google.co.uk/books?hl=ca&lr=&id=twk4AQAAMAAJ&oi=fnd&pg=PA1&dq=Della+Valle,+A.+(1893).+Gammarini+del+golfo+di+Napoli.+Fauna+und+Flora+des+Golfes+von+Neapel+und+der+angrenzenden+Meeres-Abschnitte.+20:+1-948,+pls:+1-61.&ots=_Xq7WhVJpK&sig=l4tSA
page(s): 734 [details]
original description (of Megamoera brevicaudata Spence Bate & Westwood, 1862) Bate, C. S. & J. O. Westwood. (1861-1863). A History of the British Sessile-eyed Crustacea. Vol. 1. <em>John Van Voorst, London.</em> 507 pp., available online at https://www.biodiversitylibrary.org/bibliography/1936#/summary
page(s): 409 [details]
original description (of Elasmopus congoensis Shoemaker, 1920) Shoemaker, C. R. (1920). Amphipods collected by the American Museum Congo Expedition 1909-1915. <em>Bulletin of the American Museum of Natural History.</em> 43: 371-378. [details]
original description (of Elasmopus affinis Della Valle, 1893) Della Valle, A. (1893). Gammarini del golfo di Napoli. <em>Fauna und Flora des Golfes von Neapel und der angrenzenden Meeres-Abschnitte.</em> 20: 1-948, pls: 1-61., available online at https://books.google.co.uk/books?hl=ca&lr=&id=twk4AQAAMAAJ&oi=fnd&pg=PA1&dq=Della+Valle,+A.+(1893).+Gammarini+del+golfo+di+Napoli.+Fauna+und+Flora+des+Golfes+von+Neapel+und+der+angrenzenden+Meeres-Abschnitte.+20:+1-948,+pls:+1-61.&ots=_Xq7WhVJpK&sig=l4tSA
page(s): 734 [details]
original description (of Megamoera brevicaudata Spence Bate & Westwood, 1862) Bate, C. S. & J. O. Westwood. (1861-1863). A History of the British Sessile-eyed Crustacea. Vol. 1. <em>John Van Voorst, London.</em> 507 pp., available online at https://www.biodiversitylibrary.org/bibliography/1936#/summary
page(s): 409 [details]
Other
context source (WoRCS)
Navarro-Barranco, C.; Martínez, A.; Sempere-Valverde, J.; Chebaane, S.; Digenis, M.; Plaitis, W.; Voultsiadou, E.; Gerovasileiou, V. (2023). Amphipods in Mediterranean Marine and Anchialine Caves: New Data and Overview of Existing Knowledge. <em>Diversity.</em> 15(12): 1180., available online at https://www.mdpi.com/1424-2818/15/12/1180 [details] Available for editors 
[request]
context source (Bermuda) Kunkel, B. W. (1910). The Amphipoda of Bermuda. <em>Transactions of the Connecticut Academy of Arts and Sciences.</em> 16: 1-116., available online at https://www.biodiversitylibrary.org/page/7321769 [details]
additional source Hayward, P.J. & J.S. Ryland (Eds.). (1990). The marine fauna of the British Isles and North-West Europe: 1. Introduction and protozoans to arthropods. <em>Clarendon Press: Oxford, UK.</em> 627 pp. (look up in IMIS) [details] Available for editors [request]
additional source Bachelet, G.; Dauvin, J.-C.; Sorbe, J. C. (2003). An updated checklist of marine and brackish water Amphipoda (Crustacea: Peracarida) of the southern Bay of Biscay (NE Atlantic). <em>Cah. Biol. Mar.</em> 44(2): 121-151. (look up in IMIS) [details] Available for editors [request]
additional source LeCroy, S. E.; Gasca, R.; Winfield, I.; Ortiz, M.; Escobar-Briones, E. (2009). Amphipoda (Crustacea) of the Gulf of Mexico. <em>In: Felder, D.L. and D.K. Camp (eds.), Gulf of Mexico–Origins, Waters, and Biota. Biodiversity. Texas A&M Press, College.</em> Pp. 941–972. [details] Available for editors [request]
additional source Liu, J.Y. [Ruiyu] (ed.). (2008). [Checklist of marine biota of China seas]. <em>China Science Press.</em> 1267 pp. (look up in IMIS) [details] Available for editors [request]
[request]context source (Bermuda) Kunkel, B. W. (1910). The Amphipoda of Bermuda. <em>Transactions of the Connecticut Academy of Arts and Sciences.</em> 16: 1-116., available online at https://www.biodiversitylibrary.org/page/7321769 [details]
additional source Hayward, P.J. & J.S. Ryland (Eds.). (1990). The marine fauna of the British Isles and North-West Europe: 1. Introduction and protozoans to arthropods. <em>Clarendon Press: Oxford, UK.</em> 627 pp. (look up in IMIS) [details] Available for editors
[request]additional source Bachelet, G.; Dauvin, J.-C.; Sorbe, J. C. (2003). An updated checklist of marine and brackish water Amphipoda (Crustacea: Peracarida) of the southern Bay of Biscay (NE Atlantic). <em>Cah. Biol. Mar.</em> 44(2): 121-151. (look up in IMIS) [details] Available for editors
[request]additional source LeCroy, S. E.; Gasca, R.; Winfield, I.; Ortiz, M.; Escobar-Briones, E. (2009). Amphipoda (Crustacea) of the Gulf of Mexico. <em>In: Felder, D.L. and D.K. Camp (eds.), Gulf of Mexico–Origins, Waters, and Biota. Biodiversity. Texas A&M Press, College.</em> Pp. 941–972. [details] Available for editors
[request]additional source Liu, J.Y. [Ruiyu] (ed.). (2008). [Checklist of marine biota of China seas]. <em>China Science Press.</em> 1267 pp. (look up in IMIS) [details] Available for editors
[request]
Present Present in aphia/obis/gbif/idigbio Inaccurate Introduced: alien Containing type locality
Neotype MCSN [details]
From editor or global species database
Depth range Littoral (0 to 30 m). [details]
To Barcode of Life (18 barcodes)
To Biodiversity Heritage Library (14 publications) (from synonym Megamoera brevicaudata Spence Bate & Westwood, 1862)
To Biodiversity Heritage Library (15 publications) (from synonym Gammarus brevicaudatus H. Milne Edwards, 1830 sensu Spence Bate, 1857)
To Biodiversity Heritage Library (4 publications) (from synonym Elasmopus affinis Della Valle, 1893)
To Biodiversity Heritage Library (48 publications)
To Biodiversity Heritage Library (9 publications) (from synonym Maera brevicaudata (Spence Bate & Westwood, 1862))
To European Nucleotide Archive, ENA (Elasmopus rapax)
To GenBank (7 nucleotides; 7 proteins)
To Global Biotic Interactions (GloBI)
To PESI
To PESI (from synonym Elasmopus affinis Della Valle, 1893)
To USNM Invertebrate Zoology Arthropoda Collection (1 record) (from synonym Elasmopus congoensis Shoemaker, 1920)
To USNM Invertebrate Zoology Arthropoda Collection (60 records)
To ITIS
To Biodiversity Heritage Library (14 publications) (from synonym Megamoera brevicaudata Spence Bate & Westwood, 1862)
To Biodiversity Heritage Library (15 publications) (from synonym Gammarus brevicaudatus H. Milne Edwards, 1830 sensu Spence Bate, 1857)
To Biodiversity Heritage Library (4 publications) (from synonym Elasmopus affinis Della Valle, 1893)
To Biodiversity Heritage Library (48 publications)
To Biodiversity Heritage Library (9 publications) (from synonym Maera brevicaudata (Spence Bate & Westwood, 1862))
To European Nucleotide Archive, ENA (Elasmopus rapax)
To GenBank (7 nucleotides; 7 proteins)
To Global Biotic Interactions (GloBI)
To PESI
To PESI (from synonym Elasmopus affinis Della Valle, 1893)
To USNM Invertebrate Zoology Arthropoda Collection (1 record) (from synonym Elasmopus congoensis Shoemaker, 1920)
To USNM Invertebrate Zoology Arthropoda Collection (60 records)
To ITIS
