South Georgia icefish (Pseudochaenichthys georgianus) fish species and information / pictures of South Georgia icefish - Pseudochaenichthys georgianus

South Georgia icefish (Pseudochaenichthys georgianus) fish species information

Scientific Name
Pseudochaenichthys georgianus

Common Name
South Georgia icefish

Biology
Adults feed mainly on krill and fish. Synchronous spawner (Ref. 50743).

Classification

Classified By

Norman, 1937

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Crocodile icefishes (Channichthyidae)

Distribution

Region

Southern Ocean

Distribution

Southern Ocean: known only from the islands of the Scotia Sea and the northern part of the Antarctic Peninsula.

Range

53°S - 66°S

Environment

Climate

Polar

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

0 m

Depth To - meters

475 m

Zone

demersal

Environment

Marine; demersal; depth range 0 - 475 m

Trophic Level

3.33 s.e. 0.47 Based on diet studies.

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

60.0 cm

Common Length

50.0 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: minor commercial

Vulnerability

Moderate vulnerability (42 of 100)

Resilience

Medium, minimum population doubling time 1.4 - 4.4 years (K=0.24; tm=4; Fec = 5,830)

Threat To Humans

  Harmless

IUCN Red List Status

  Not Evaluated