Northern brook lamprey (Ichthyomyzon fossor) fish species and information / pictures of Northern brook lamprey - Ichthyomyzon fossor

Northern brook lamprey (Ichthyomyzon fossor) fish species information

Scientific Name
Ichthyomyzon fossor

Common Name
Northern brook lamprey

Biology
Adults inhabit clean, clear gravel riffles and runs of small rivers. Ammocoetes occur in quiet water over sand, silt and debris. Non-parasitic, the adults and possibly the larger ammocoetes in the resting stage do not feed.

Classification

Classified By
Reighard & Cummins, 1916
Class
Lampreys (Cephalaspidomorphi)
Order
Lampreys (Petromyzontiformes)
Family
Lampreys (Petromyzontidae)

Distribution

Region
North America
Distribution
North America: St. Lawrence River, Quebec, west through Great Lakes and northern Mississippi River basin to Red River , south Manitoba; localized in Ohio River basin of northwest Pennsylvania, west Virginia, east Kentucky, north and south central Ohio and north Indiana; Missouri River basin.
Range
50°N - 37°N

Environment

Climate
Temperate
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
Unknown m
Depth To - meters
Unknown m
Zone
demersal
Environment
Freshwater; demersal
Trophic Level
4.09 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
17.0 cm
Common Length
13.4 cm
Phylogenetic Diversity Index
PD50 = 0.5156 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses
Bait: occasionally
Vulnerability
Moderate to high vulnerability (50 of 100)
Resilience
Low, minimum population doubling time 4.5 - 14 years (tm=6; Fec=1,400)
Threat To Humans
Harmless
IUCN Red List Status
Not Evaluated