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

American brook lamprey (Lampetra appendix) fish species information

Scientific Name
Lampetra appendix

Common Name
American brook lamprey

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).

Classification

Classified By
DeKay, 1842
Class
Lampreys (Cephalaspidomorphi)
Order
Lampreys (Petromyzontiformes)
Family
Lampreys (Petromyzontidae)

Distribution

Region
North America
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.
Range
65°N - 35°N

Environment

Climate
Temperate
Water Temperature From
5 °C
Water Temperature To
20 °C
Depth From - meters
Unknown m
Depth To - meters
Unknown m
Zone
demersal
Environment
Freshwater; ; pH range: 6.8 - 7.5; dH range: ? - 18 demersal
Trophic Level
4.32 s.e. 0.74 Based on size and trophs of closest relatives
Occurs in Marine / Salt water
False
Occurs in Brackish water
False
Occurs in Fresh Water
True
Occurs on Reefs
False
Is kept in Aquariums
False

Physical Size and Genetics

Maximum Length
35.0 cm
Common Length
15.6 cm
Phylogenetic Diversity Index
PD50 = 0.5000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses
Unknown
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