Sharp-spined notothenia (Trematomus pennellii) fish species and information / pictures of Sharp-spined notothenia - Trematomus pennellii

Sharp-spined notothenia (Trematomus pennellii) fish species information

Scientific Name
Trematomus pennellii

Common Name
Sharp-spined notothenia

Biology
Lives on seafloor and spawns during summer (Ref. 45168). Feeds primarily on errant polychaetes, with lesser amounts of amphipods, fish eggs and mollusks.

Classification

Classified By
Regan, 1914
Class
Ray-finned fishes (Actinopterygii)
Order
Perch-like fish (Perciformes)
Family
Cod icefishes (Nototheniidae)

Distribution

Region
Southern Ocean
Distribution
Southern Ocean: Scotia Arc, South Orkney Islands, Davis and Ross seas.
Range
60°S - 78°S

Environment

Climate
Polar
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
0 m
Depth To - meters
732 m
Zone
demersal
Environment
Marine; demersal; depth range 0 - 732 m, usually 1 - 112 m (Ref. 11892)
Trophic Level
3.25 s.e. 0.38 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
24.0 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 (40 of 100)
Resilience
Medium, minimum population doubling time 1.4 - 4.4 years (Fec = 2,500)
Threat To Humans
  Harmless
IUCN Red List Status
  Not Evaluated