Southern brook lamprey (Ichthyomyzon gagei) fish species and information / pictures of Southern brook lamprey - Ichthyomyzon gagei

Southern brook lamprey (Ichthyomyzon gagei) fish species information

Scientific Name
Ichthyomyzon gagei

Common Name
Southern brook lamprey

Biology
Inhabits gravel and sand riffles, and runs of creeks and small rivers. Ammocoete larvae occur in flowing water near sand bars and debris. Non-parasitic.

Classification

Classified By

Hubbs & Trautman, 1937

Class

Lampreys (Cephalaspidomorphi)

Order

Lampreys (Petromyzontiformes)

Family

Lampreys (Petromyzontidae)

Distribution

Region

North America

Distribution

North America: Mississippi River basins, Tennessee River drainage and Gulf of Mexico Coast drainages from Ochlockonee River in Florida to Galveston Bay in Texas, USA.

Range

37°N - 31°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

12.0 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

Unknown

Vulnerability

Moderate vulnerability (36 of 100)

Resilience

Medium, minimum population doubling time 1.4 - 4.4 years (Fec=1,927)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated