Ichthyomyzon unicuspis Hubbs & Trautman, 1937

Silver lamprey

Catalog of Fishes (gen., sp.) | ITIS | CoL

Classification	Cephalaspidomorphi \| Petromyzontiformes \| Petromyzontidae \| Petromyzontinae
Synonyms	... more
Common names	Lamproie argentée, 尖端鱼吸鳗, Sølvlampret, ... more

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Image of Ichthyomyzon unicuspis (Silver lamprey)

Picture by Lyons, J.

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Main reference

McClanes, A.J. (ed.). 1974. (Ref. 3221)
Other references | Biblio | Coordinator | Collaborators

Size / Weight / Age

Max length : 39.0 cm TL male/unsexed; (Ref. 5723); common length : 20.1 cm TL male/unsexed; (Ref. 12193); max. reported age: 8 years (Ref. 12193)

Environment

Demersal; potamodromous (Ref. 1998); freshwater

Climate / Range

Temperate; 59°N - 30°N

North America: 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.
Countries | FAO areas | Ecosystems | Occurrences | Introductions

Feeding adults are usually found attached to other fishes in large rivers, lakes, and impoundments. They migrate upriver to spawn in gravel riffles and runs. Ammocoetes occur in sandy or muddy pools and backwaters (Ref. 3221, 10294) where they stay as larvae for about 4 to 7 years (Ref. 1998, 10294). Adults are parasitic for 1 to 2 years. Semelparous (Ref. 1998). Listed as anadromous species in Ref. 51243.


IUCN Red List Status (Ref. 57073)	Threat to humans
Not Evaluated	Harmless

Human uses
Bait: occasionally


More information
Countries FAO areas Ecosystems Occurrences Introductions Ecology Diet Food items Food consumption Ration	Common names Synonyms Metabolism Predators Ecotoxicology Reproduction Maturity Spawning Eggs Egg development	Age/Size Growth Length-weight Length-length Length-frequencies Morphometrics Morphology Larvae Larval dynamics Recruitment	Other references Biblio Aquaculture Aquaculture profile Strains Genetics Allele frequencies Heritability Diseases Processing	Collaborators Pictures Stamps Sounds Ciguatera Speed Swim. type Gill area Otoliths Brains Vision

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Internet sources

Estimation of some characteristics with mathematical models

Resilience (Ref. 69278)

Low, minimum population doubling time 4.5 - 14 years (tmax=8; tm=6; Fec=10,800)


Vulnerability (Ref. 59153)	Price category (Ref. 80766)
High vulnerability (60 of 100)	Not marketed/unknown

Entered by Froese, Rainer

Modified by Ortañez, Auda Kareen

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Page last modified by : elaxamana, 15 July 2009

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