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Pighead prickleback (Acantholumpenus mackayi) fish species and information / pictures of Pighead prickleback - Acantholumpenus mackayi

Pighead prickleback (Acantholumpenus mackayi) fish species information

Scientific Name
Acantholumpenus mackayi

Common Name
Pighead prickleback

Biology
Dorsal spines (total): 68 - 76; Dorsal soft rays (total): 0; Anal spines: 2; Anal soft rays: 41 - 48. Caudal fin slightly grayish without dark bands; roof of oral cavity with a dark region (Ref. 559). Spines of pelvic and anal fins rigid and easily discernible from other soft rays (Ref. 559). Eye diameter less than snout length (Ref. 559).

Classification

Classified By

Gilbert, 1896

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Pricklebacks (Stichaeidae)

Distribution

Region

North Pacific

Distribution

North Pacific: Hokkaido, Japan to the Okhotsk and Bering seas. Arctic Ocean: Arctic coast of Canada.

Range

Unknown

Environment

Climate

Polar

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

0 m

Depth To - meters

200 m

Zone

demersal

Environment

Marine; brackish; demersal; depth range 0 - 200 m (Ref. 56557)

Trophic Level

3.1 s.e. 0.31 Based on diet studies.

Occurs in Marine / Salt water

True

Occurs in Brackish water

True

Occurs in Fresh Water

False

Occurs on Reefs

False

Is kept in Aquariums

False

Physical Size and Genetics

Maximum Length

70.0 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

Fisheries:

Vulnerability

High to very high vulnerability (70 of 100)

Resilience

Very Low, minimum population doubling time more than 14 years (Preliminary K or Fecundity.)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated