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