Hairhead sculpin (Trichocottus brashnikovi) fish species and information / pictures of Hairhead sculpin - Trichocottus brashnikovi

Hairhead sculpin (Trichocottus brashnikovi) fish species information

Scientific Name
Trichocottus brashnikovi

Common Name
Hairhead sculpin

Biology
Dorsal spines (total): 9 - 11; Dorsal soft rays (total): 15-16; Anal spines: 0; Anal soft rays: 12 - 14

Classification

Classified By
Soldatov & Pavlenko, 1915
Class
Ray-finned fishes (Actinopterygii)
Order
Scorpionfishes and Flatheads (Scorpaeniformes)
Family
Sculpins (Cottidae)

Distribution

Region
Northwest Pacific
Distribution
Northwest Pacific: western Bering Sea off Cape Navarin; Sea of Okhotsk and northern Sea of Japan off Tatar Strait. Northeast Pacific: northeastern Bering Sea between St. Lawrence Island and Seaward Peninsula.
Range
Unknown

Environment

Climate
Polar
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
7 m
Depth To - meters
87 m
Zone
demersal
Environment
Marine; demersal; depth range 7 - 87 m (Ref. 43939)
Trophic Level
3.45 s.e. 0.48 Based on size and trophs of closest relatives
Occurs in Marine / Salt water
True
Occurs in Brackish water
False
Occurs in Fresh Water
False
Occurs on Reefs
False
Is kept in Aquariums
False

Physical Size and Genetics

Maximum Length
22.5 cm
Common Length
Unknown cm
Phylogenetic Diversity Index
PD50 = 1.0000 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses
Unknown
Vulnerability
Moderate vulnerability (41 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
  Not Evaluated