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250L community aquarium

Pygmy sculpin (Cottus paulus) fish species and information / pictures of Pygmy sculpin - Cottus paulus

Pygmy sculpin (Cottus paulus) fish species information

Scientific Name
Cottus paulus

Common Name
Pygmy sculpin

Biology
Inhabits rocky spring runs.

Classification

Classified By

Williams, 2000

Class

Ray-finned fishes (Actinopterygii)

Order

Scorpionfishes and Flatheads (Scorpaeniformes)

Family

Sculpins (Cottidae)

Distribution

Region

North America

Distribution

North America: known only from Coldwater Spring (Coosa River system), Calhoun County in Alabama, USA.

Range

34°N - 33°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

3.09 s.e. 0.43 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

4.5 cm

Common Length

3.0 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

Fisheries: of no interest; bait:

Vulnerability

Low vulnerability (15 of 100)

Resilience

High, minimum population doubling time less than 15 months (tmax=2)

Threat To Humans

Harmless

IUCN Red List Status

Critically Endangered (CR) (B1+2a)