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Stone cockscomb (Alectrias alectrolophus) fish species and information / pictures of Stone cockscomb - Alectrias alectrolophus

Stone cockscomb (Alectrias alectrolophus) fish species information

Scientific Name
Alectrias alectrolophus

Common Name
Stone cockscomb

Biology
Dorsal spines (total): 59 - 66; Dorsal soft rays (total): 0; Anal spines: 1; Anal soft rays: 41 - 45; Vertebrae: 64 - 70. Gray to nearly black to bright spotted with patterns; usually a wavy line extending along back, separating dark portion from lighter spots that continue onto dorsal fin (Ref. 43939). Caudal fin rounded.

Classification

Classified By

Pallas, 1814

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Pricklebacks (Stichaeidae)

Distribution

Region

Northwest Pacific

Distribution

Northwest Pacific: Commander Islands and southeastern Kamchatka to the Sea of Okhotsk and northern Sea of Japan. Northeast Pacific: Alaska.

Range

Unknown

Environment

Climate

Temperate

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

0 m

Depth To - meters

100 m

Zone

demersal

Environment

Marine; demersal; depth range 0 - 100 m (Ref. 50550), usually ? - 50 m (Ref. 51666)

Trophic Level

3.13 s.e. 0.44 Based on food items.

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

10.0 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.5312 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

Not Evaluated