Grey rockcod (Lepidonotothen squamifrons) fish species and information / pictures of Grey rockcod - Lepidonotothen squamifrons

Grey rockcod (Lepidonotothen squamifrons) fish species information

Scientific Name
Lepidonotothen squamifrons

Common Name
Grey rockcod

Biology
Feeds chiefly on macrozooplankton (mainly crustaceans, cnidarians and salps) and midwater fishes.

Classification

Classified By
G?nther, 1880
Class
Ray-finned fishes (Actinopterygii)
Order
Perch-like fish (Perciformes)
Family
Cod icefishes (Nototheniidae)

Distribution

Region
Southern Ocean
Distribution
Southern Ocean: South Georgia Island and Bouvet Island. Also known from sub-Antarctic islands and intervening seamounts of the Indian Ocean sector.
Range
45°S - 56°S

Environment

Climate
Temperate
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
10 m
Depth To - meters
900 m
Zone
benthopelagic
Environment
Marine; benthopelagic; depth range 10 - 900 m (Ref. 11892), usually 195 - 312 m (Ref. 11892)
Trophic Level
3.09 s.e. 0.22 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
55.0 cm
Common Length
35.0 cm
Phylogenetic Diversity Index
PD50 = 0.5625 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses
Fisheries: minor commercial
Vulnerability
High vulnerability (63 of 100)
Resilience
Low, minimum population doubling time 4.5 - 14 years (K=0.08-0.12; tm=7-9; tmax=19)
Threat To Humans
  Harmless
IUCN Red List Status
  Not Evaluated