Hapuku wreckfish (Polyprion oxygeneios) fish species and information / pictures of Hapuku wreckfish - Polyprion oxygeneios

Hapuku wreckfish (Polyprion oxygeneios) fish species information

Scientific Name
Polyprion oxygeneios

Common Name
Hapuku wreckfish

Biology
Deepwater species. Adults occur generally over rough ground from the central shelf (about 100 m) to the shelf edge and down to the upper slope. Juveniles are found in surface waters, perhaps school in association with drifting weed. Feed on barracouta and pilchards, in addition to various bottom-dwelling fish. Are primary gonochorists (Ref. 58421). Preyed upon by sperm whales (Ref. 9072). It is taken by droplining down to 400 m, and is sometimes seen in the trawled catch. Utilized fresh and frozen; can be steamed, fried, broiled, boiled, microwaved and baked (Ref. 9988).

Classification

Classified By
Schneider & Forster, 1801
Class
Ray-finned fishes (Actinopterygii)
Order
Perch-like fish (Perciformes)
Family
Wreckfishes (Polyprionidae)

Distribution

Region
Circumglobal in southern waters (Ref. 7300). Known from Australia, New Zealand, Juan Fernandez Archipelago off Chile, and the Tristan da Cunha Group of the South Atlantic; incidentally caught off Chilean Patagonia.
Distribution
Circumglobal in southern waters (Ref. 7300). Known from Australia, New Zealand, Juan Fernandez Archipelago off Chile, and the Tristan da Cunha Group of the South Atlantic; incidentally caught off Chilean Patagonia.
Range
28°S - 50°S, 180°W - 180°E

Environment

Climate
Temperate
Water Temperature From
Unknown °C
Water Temperature To
Unknown °C
Depth From - meters
50 m
Depth To - meters
854 m
Zone
demersal
Environment
Marine; demersal; depth range 50 - 854 m (Ref. 52581)
Trophic Level
4.45 s.e. 0.77 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
150 cm
Common Length
100.0 cm
Phylogenetic Diversity Index
PD50 = 0.6562 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses
Fisheries: commercial; gamefish: yes
Vulnerability
Very high vulnerability (76 of 100)
Resilience
Very Low, minimum population doubling time more than 14 years (tm=10-13; tmax=60)
Threat To Humans
  Harmless
IUCN Red List Status
  Not Evaluated