Spotted notothen (Trematomus nicolai) fish species and information / pictures of Spotted notothen - Trematomus nicolai

Spotted notothen (Trematomus nicolai) fish species information

Scientific Name
Trematomus nicolai

Common Name
Spotted notothen

Biology
Feeds primarily on amphipods, other fishes, and molluscan larvae, with lesser amount of polychaetes and mysids. Captures some prey in the water column, but not cryopelagic.

Classification

Classified By
Boulenger, 1902
Class
Ray-finned fishes (Actinopterygii)
Order
Perch-like fish (Perciformes)
Family
Cod icefishes (Nototheniidae)

Distribution

Region
Southern Ocean
Distribution
Southern Ocean: East Antarctica (some localities), but not from the Peninsula region and westward to the Ross Sea. Coasts of Adelie Land, Davis, Weddell, South Shetland and South Orkney Islands.
Range
65°S - 78°S

Environment

Climate
Polar
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
1 m
Depth To - meters
420 m
Zone
demersal
Environment
Marine; demersal; depth range 1 - 420 m (Ref. 11892)
Trophic Level
3.56 s.e. 0.53 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
36.0 cm
Common Length
Unknown cm
Phylogenetic Diversity Index
PD50 = 0.5005 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses
Fisheries: of no interest
Vulnerability
Moderate vulnerability (44 of 100)
Resilience
Medium, minimum population doubling time 1.4 - 4.4 years (Fec = 8,900)
Threat To Humans
  Harmless
IUCN Red List Status
  Not Evaluated