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