Scientific Name
Gymnocanthus galeatus

Common Name
Armorhead sculpin

Biology
Dorsal spines (total): 10 - 12; Dorsal soft rays (total): 14-17; Anal spines: 0; Anal soft rays: 17 - 20. Interorbital space narrow and concave, its width about 1/2 of eye diameter, and covered with bony plates (Ref. 559).

Classification

Classified By

Bean, 1881

Class

Ray-finned fishes (Actinopterygii)

Order

Scorpionfishes and Flatheads (Scorpaeniformes)

Family

Sculpins (Cottidae)

Distribution

Region

North Pacific

Distribution

North Pacific: Hokkaido, Japan to south of St. Lawrence Island, Alaska to Agattu Island in the Aleutian chain and Wales Island, British Columbia, Canada.

Range

Unknown

Environment

Climate

Temperate

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

0 m

Depth To - meters

579 m

Zone

demersal

Environment

Marine; demersal; depth range 0 - 579 m (Ref. 50550), usually 50 - ? m (Ref. 2850)

Trophic Level

3.36 s.e. 0.50 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

36.0 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.5078 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Unknown

Vulnerability

High vulnerability (56 of 100)

Resilience

Low, minimum population doubling time 4.5 - 14 years (Preliminary K or Fecundity.)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated