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