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Pike icefish (Champsocephalus esox) fish species and information / pictures of Pike icefish - Champsocephalus esox

Pike icefish (Champsocephalus esox) fish species information

Scientific Name
Champsocephalus esox

Common Name
Pike icefish

Biology
Dorsal spines (total): 9; Dorsal soft rays (total): 32; Anal spines: 0; Anal soft rays: 31; Vertebrae: 57 - 60. Posterior margin of caudal fin emarginate. No scales except on lateral line. Body brown, irregularly mottled (Ref. 27363).

Classification

Classified By

G?nther, 1861

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Crocodile icefishes (Channichthyidae)

Distribution

Region

Southern Ocean

Distribution

Southern Ocean: Patagonian-Falkland region, Straits of Magellan and rarely at South Georgia.

Range

51°S - 56°S

Environment

Climate

Temperate

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

50 m

Depth To - meters

250 m

Zone

demersal

Environment

Marine; demersal; depth range 50 - 250 m (Ref. 27363)

Trophic Level

3.94 s.e. 0.65 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

35.0 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.7500 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Fisheries: commercial

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