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Setting up your tank

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250L community aquarium

Striped rockcod (Trematomus hansoni) fish species and information / pictures of Striped rockcod - Trematomus hansoni

Striped rockcod (Trematomus hansoni) fish species information

Scientific Name
Trematomus hansoni

Common Name
Striped rockcod

Biology
Feeds on small fishes, krill and other euphausiids, polychaetes, copepods, amphipods, isopods and small gastropods.

Classification

Classified By

Boulenger, 1902

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Cod icefishes (Nototheniidae)

Distribution

Region

Southern Ocean

Distribution

Southern Ocean: South Orkneys, South Georgia and South Shetland islands. Ross, Davis and Weddell seas, South Victoria, Adelie, Queen Mary and Princess Ragnhild Coasts.

Range

53°S - 78°S

Environment

Climate

Polar

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

6 m

Depth To - meters

549 m

Zone

demersal

Environment

Marine; demersal; depth range 6 - 549 m (Ref. 11892)

Trophic Level

3.92 s.e. 0.55 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

41.0 cm

Common Length

25.0 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

Unknown

Vulnerability

Moderate to high vulnerability (45 of 100)

Resilience

Medium, minimum population doubling time 1.4 - 4.4 years (K=0.22-0.23; Fec = 9,600)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated