Brook lamprey (Lampetra lamottenii) fish species and information / pictures of Brook lamprey - Lampetra lamottenii

Brook lamprey (Lampetra lamottenii) fish species information

Scientific Name
Lampetra lamottenii

Common Name
Brook lamprey

Biology
Trunk myomeres number 63-74. The bar below the mouth has 6-10 cusps. This species is distinguished from other Canadian lampreys by having 2 dorsal fins, the bar above the mouth with 2-3 pointed cusps, teeth along each side of the mouth bicuspid and pointed, and by distribution. Adults are blue-grey when spawning with orange tinges on the head, back, tail and fins. Otherwise brown is the overall color, the belly is white to light grey and fins are yellowish. Ammocoetes are pale brown (Ref. 12204).

Classification

Classified By

Lesueur, 1827

Class

Lampreys (Cephalaspidomorphi)

Order

Lampreys (Petromyzontiformes)

Family

Lampreys (Petromyzontidae)

Distribution

Region

North America

Distribution

North America: Great Lakes basin of Ontario to the Upper St. Lawrence River basin in Qu?bec and south to Virginia, Tennessee and Missouri.

Range

Unknown

Environment

Climate

Temperate

Water Temperature From

9 °C

Water Temperature To

25 °C

Depth From - meters

Unknown m

Depth To - meters

Unknown m

Zone

demersal

Environment

Freshwater; demersal

Trophic Level

4.28 s.e. 0.73 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

31.7 cm

Common Length

21.7 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

Moderate to high vulnerability (54 of 100)

Resilience

Low, minimum population doubling time 4.5 - 14 years (Preliminary K or Fecundity.)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated