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)