American brook lamprey (Lampetra appendix) fish profile and information / pictures of American brook lamprey - Lampetra appendix

American brook lamprey (Lampetra appendix) fish profile

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Scientific Name Lampetra appendix
Classified By DeKay, 1842
Common Name American brook lamprey
Class Lampreys (Cephalaspidomorphi)
Order Lampreys (Petromyzontiformes)
Family Lampreys (Petromyzontidae)
Biology Adults occur in gravel or sand riffles and runs of creeks and small to medium rivers with strong flow and usually clear water; ammocoetes in sandy or silty pools (Ref. 5723). Non-parasitic. Semelparous (Ref. 1998).
Climate Temperate
Water Temperature From - Celcius 5 °C
Water Temperature To - Celcius 20 °C
Depth From - meters Unknown m
Depth To - meters Unknown m
Zone demersal
Distribution North America: Atlantic, Great Lakes, Mississippi River basins and Martin River (Arctic basin) in Northwest Territories, Canada to Ugashik and Chatanika River (Pacific basin) in Alaska.
Region North America
Range 65°N - 35°N
Maximum Length 35.0 cm
Common Length 15.6 cm
Environment Freshwater; ; pH range: 6.8 - 7.5; dH range: ? - 18 demersal
Vulnerability High vulnerability (57 of 100)
Resilience Low, minimum population doubling time 4.5 - 14 years (tmax=6; tm=5; Fec=2,883)
Threat To Humans   Harmless
IUCN Red List Status   Not Evaluated 
Human Uses Unknown
Phylogenetic Diversity Index PD50 = 0.5000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)
Trophic Level 4.32 s.e. 0.74 Based on size and trophs of closest relatives
Is kept in Aquariums False
Occurs in Marine / Salt water False
Occurs in Brackish water False
Occurs in Fresh Water True
Occurs on Reefs False