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Slender scalyhead (Trematomus lepidorhinus) fish species and information / pictures of Slender scalyhead - Trematomus lepidorhinus

Slender scalyhead (Trematomus lepidorhinus) fish species information

Scientific Name
Trematomus lepidorhinus

Common Name
Slender scalyhead

Biology
Feeds on amphipods (mostly Themisto gaudichaudii), copepods, polychaetes, and mysids.

Classification

Classified By

Pappenheim, 1911

Class

Ray-finned fishes (Actinopterygii)

Order

Perch-like fish (Perciformes)

Family

Cod icefishes (Nototheniidae)

Distribution

Region

Southern Ocean

Distribution

Southern Ocean: inner slope and continental shelf of Antarctica, except the Antarctic Peninsula. Two specimens are reported from South Orkney islands.

Range

60°S - 78°S

Environment

Climate

Deep-water

Water Temperature From

Unknown °C

Water Temperature To

Unknown °C

Depth From - meters

200 m

Depth To - meters

800 m

Zone

bathydemersal

Environment

Marine; bathydemersal; depth range 200 - 800 m

Trophic Level

3.7 s.e. 0.58 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

31.0 cm

Common Length

Unknown 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

Fisheries: of no interest

Vulnerability

Moderate vulnerability (40 of 100)

Resilience

Medium, minimum population doubling time 1.4 - 4.4 years (Fec = 2,200)

Threat To Humans

Harmless

IUCN Red List Status

Not Evaluated