WoRMS taxon details
Ichthyomyzon unicuspis Hubbs & Trautman, 1937
158538 (urn:lsid:marinespecies.org:taxname:158538)
accepted
Species
Ammocoetes concolor Kirtland, 1840 · unaccepted (ambiguous synonym)
Petromyzon concolor (Kirtland, 1840) · unaccepted (possibly a synonym)
Hubbs, C. L.; Trautman, M. B. (1937). A revision of the lamprey genus Ichthyomyzon. <em>Miscellaneous Publications, Museum of Zoology, University of Michigan.</em> 35: 1-109. [details]
Distribution Found exclusively in freshwater throughout the Mississippi drainage and the Great Lakes to Hudson Bay and the St. Lawrence...
Distribution Found exclusively in freshwater throughout the Mississippi drainage and the Great Lakes to Hudson Bay and the St. Lawrence River. Readily distinguishable from the sea lamprey by its single dorsal fin. [details]
WoRMS (2026). Ichthyomyzon unicuspis Hubbs & Trautman, 1937. Accessed at: https://www.marinespecies.org/aphia.php?p=taxdetails&id=158538 on 2026-07-10
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Nomenclature
original description
Hubbs, C. L.; Trautman, M. B. (1937). A revision of the lamprey genus Ichthyomyzon. <em>Miscellaneous Publications, Museum of Zoology, University of Michigan.</em> 35: 1-109. [details]
original description (of Ammocoetes concolor Kirtland, 1840) Kirtland, J. P. (1840). Descriptions of the fishes of the Ohio River and its tributaries. <em>Boston Journal of Natural History.</em> v. 3 (nos 3-4) (art. 10, 17): 338-352; 469-482, Pls. 4-6, 27-29. [(for July 1840. Nov. 1940). No. 4 containing p. 469-482, Pls. 27-29 possible published in 1841. [details]
basis of record Froese, R. & D. Pauly (Editors). (2026). FishBase. World Wide Web electronic publication. version (04/2025)., available online at https://www.fishbase.org [details]
original description (of Ammocoetes concolor Kirtland, 1840) Kirtland, J. P. (1840). Descriptions of the fishes of the Ohio River and its tributaries. <em>Boston Journal of Natural History.</em> v. 3 (nos 3-4) (art. 10, 17): 338-352; 469-482, Pls. 4-6, 27-29. [(for July 1840. Nov. 1940). No. 4 containing p. 469-482, Pls. 27-29 possible published in 1841. [details]
basis of record Froese, R. & D. Pauly (Editors). (2026). FishBase. World Wide Web electronic publication. version (04/2025)., available online at https://www.fishbase.org [details]
Ecology
ecology source
Looby, A.; Erbe, C.; Bravo, S.; Cox, K.; Davies, H. L.; Di Iorio, L.; Jézéquel, Y.; Juanes, F.; Martin, C. W.; Mooney, T. A.; Radford, C.; Reynolds, L. K.; Rice, A. N.; Riera, A.; Rountree, R.; Spriel, B.; Stanley, J.; Vela, S.; Parsons, M. J. G. (2023). Global inventory of species categorized by known underwater sonifery. <em>Scientific Data.</em> 10(1). (look up in IMIS), available online at https://doi.org/10.1038/s41597-023-02745-4 [details] 
Present Present in aphia/obis/gbif/idigbio Inaccurate Introduced: alien Containing type locality
Unreviewed
Distribution Found exclusively in freshwater throughout the Mississippi drainage and the Great Lakes to Hudson Bay and the St. Lawrence River. Readily distinguishable from the sea lamprey by its single dorsal fin. [details]Habitat benthic [details]
Habitat Feeding adults are usually found attached to other fishes in large rivers, lakes, and impoundments. Adults migrate upriver to spawn in gravel riffles and runs. Ammocoetes occur in sandy or muddy pools and backwaters. [details]
Importance Bait [details]
Reproduction Migrate upriver to spawn in gravel riffles and runs [details]
To Barcode of Life (29 barcodes)
To Biodiversity Heritage Library (24 publications)
To Biodiversity Heritage Library (27 publications) (from synonym Petromyzon concolor (Kirtland, 1840))
To European Nucleotide Archive, ENA (Ichthyomyzon unicuspis)
To FishBase (from synonym Ammocoetes concolor Kirtland, 1840)
To FishBase (from synonym Petromyzon concolor (Kirtland, 1840))
To GenBank (72 nucleotides; 85 proteins)
To IUCN Red List (Least Concern)
To ITIS
To Biodiversity Heritage Library (24 publications)
To Biodiversity Heritage Library (27 publications) (from synonym Petromyzon concolor (Kirtland, 1840))
To European Nucleotide Archive, ENA (Ichthyomyzon unicuspis)
To FishBase (from synonym Ammocoetes concolor Kirtland, 1840)
To FishBase (from synonym Petromyzon concolor (Kirtland, 1840))
To GenBank (72 nucleotides; 85 proteins)
To IUCN Red List (Least Concern)
To ITIS
