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