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Stocky rockcod (Pagothenia brachysoma) fish species and information / pictures of Stocky rockcod - Pagothenia brachysoma

Stocky rockcod (Pagothenia brachysoma) fish species information

Scientific Name
Pagothenia brachysoma

Common Name
Stocky rockcod

Biology
Dorsal spines (total): 4 - 5; Dorsal soft rays (total): 29-32; Anal soft rays: 26 - 30. In life yellowish brown, iridescent blue dorsally; some specimens with patches of coral pink near the head (Ref. 5179). Six dark spots on back below the dorsal fins (Ref. 11892).

Classification

Classified By

Pappenheim, 1912

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Cod icefishes (Nototheniidae)

Distribution

Region

Southern Ocean

Distribution

Southern Ocean: Ross Sea, Davis Sea, Wilhelm II Coast, north of Edward VII and west coast of Antarctic Peninsula.

Range

61°S - 79°S

Environment

Climate

Polar

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

0 m

Depth To - meters

429 m

Zone

pelagic-oceanic

Environment

Marine; pelagic-oceanic; depth range 0 - 429 m (Ref. 11892), usually 0 - 30 m

Trophic Level

3.11 s.e. 0.28 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

17.2 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 (33 of 100)

Resilience

Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated