Pithead (Cryothenia peninsulae) fish species and information / pictures of Pithead - Cryothenia peninsulae

Pithead (Cryothenia peninsulae) fish species information

Scientific Name
Cryothenia peninsulae

Common Name
Pithead

Biology
Dorsal spines (total): 4 - 6; Dorsal soft rays (total): 34-36; Anal soft rays: 33 - 35; Vertebrae: 50 - 53. Light and dark areas of purple and silver. Silvery below (Ref. 11892).

Classification

Classified By
Daniels, 1981
Class
Ray-finned fishes (Actinopterygii)
Order
Perch-like fish (Perciformes)
Family
Cod icefishes (Nototheniidae)

Distribution

Region
Southern Ocean
Distribution
Southern Ocean: off the west coast of the Antarctic Peninsula and islands of the Palmer Archipelago.
Range
61°S - 67°S

Environment

Climate
Polar
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
50 m
Depth To - meters
400 m
Zone
pelagic-oceanic
Environment
Marine; pelagic-oceanic; depth range 50 - 400 m (Ref. 5179)
Trophic Level
3.2 s.e. 0.40 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
17.0 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: of no interest
Vulnerability
Low to moderate vulnerability (27 of 100)
Resilience
High, minimum population doubling time less than 15 months (Preliminary K or Fecundity.)
Threat To Humans
  Harmless
IUCN Red List Status
  Not Evaluated