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