Creek chub (Semotilus atromaculatus) fish species and information / pictures of Creek chub - Semotilus atromaculatus

Creek chub (Semotilus atromaculatus) fish species information

Scientific Name
Semotilus atromaculatus

Common Name
Creek chub

Biology
Inhabits rocky and sandy pools of headwaters, creeks and small rivers (Ref. 5723); mostly found in tiny, intermittent streams. Young feed on small aquatic invertebrates. Adults consume small fish, crayfish and other large invertebrates (Ref. 10294). One of the most common fishes in eastern North America (Ref. 5723).

Classification

Classified By

Mitchill, 1818

Class

Ray-finned fishes (Actinopterygii)

Order

Carps (Cypriniformes)

Family

Minnows or carps (Cyprinidae)

Distribution

Region

North America

Distribution

North America: most of eastern USA and southeastern Canada in Atlantic, Great Lakes, Hudson Bay, Mississippi and Gulf basins as far as Manitoba, Montana, Wyoming, Colorado, Oklahoma, and Texas, but absent from southern Georgia and peninsular Florida; upper Pecos and Canadian River systems, New Mexico.

Range

55°N - 31°N

Environment

Climate

Temperate

Water Temperature From

Unknown °C

Water Temperature To

30 °C

Depth From - meters

Unknown m

Depth To - meters

Unknown m

Zone

demersal

Environment

Freshwater; demersal

Trophic Level

3.98 s.e. 0.67 Based on diet studies.

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

30.3 cm

Common Length

19.1 cm

Phylogenetic Diversity Index

PD50 = 0.5625 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Unknown

Vulnerability

Moderate vulnerability (38 of 100)

Resilience

Medium, minimum population doubling time 1.4 - 4.4 years (tmax=8)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated