Bear Lake sculpin (Cottus extensus) fish species and information / pictures of Bear Lake sculpin - Cottus extensus

Bear Lake sculpin (Cottus extensus) fish species information

Scientific Name
Cottus extensus

Common Name
Bear Lake sculpin

Biology
Inhabits rocky bottoms from near shore to deep (at least 53 m) water.

Classification

Classified By
Bailey & Bond, 1963
Class
Ray-finned fishes (Actinopterygii)
Order
Scorpionfishes and Flatheads (Scorpaeniformes)
Family
Sculpins (Cottidae)

Distribution

Region
North America
Distribution
North America: known only from Bear Lake in Idaho and Utah, USA.
Range
40°N - 39°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
3.2 s.e. 0.45 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
13.0 cm
Common Length
8.0 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
Unknown
Vulnerability
Low to moderate vulnerability (31 of 100)
Resilience
Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.)
Threat To Humans
  Harmless
IUCN Red List Status
  Vulnerable (VU) (D2)