South Georgia spiny plunderfish (Harpagifer georgianus) fish species and information / pictures of South Georgia spiny plunderfish - Harpagifer georgianus

South Georgia spiny plunderfish (Harpagifer georgianus) fish species information

Scientific Name
Harpagifer georgianus

Common Name
South Georgia spiny plunderfish

Biology
Mainly littoral but has been reported to occur as deep as 90 m. Fishes seen lying motionless on the bottom most of the time. Major food item: amphipods. Also important food are isopods and polychaetes. Feed on small crustaceans and common in littoral of all sub-Antarctic islands.

Classification

Classified By

Nybelin, 1947

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Spiny plunderfishes (Harpagiferidae)

Distribution

Region

Southern Ocean

Distribution

Southern Ocean: South Georgia Island, Prince Edward Islands and Macquarie Island.

Range

46°S - 56°S

Environment

Climate

Temperate

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

Unknown m

Depth To - meters

Unknown m

Zone

demersal

Environment

Marine; demersal

Trophic Level

3.28 s.e. 0.45 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

7.0 cm

Common Length

Unknown cm

Phylogenetic Diversity Index

PD50 = 0.5010 many relatives (e.g. carps) 0.5 - 2.0 few relatives (e.g. lungfishes)

Human Uses and Population

Human Uses

Unknown

Vulnerability

Low vulnerability (10 of 100)

Resilience

Unknown

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated