Dusky rockcod (Trematomus newnesi)

Scientific name: Trematomus newnesi Boulenger, 1902

Dusky rockcod (Trematomus newnesi)

The Dusky rockcod (Trematomus newnesi) is a marine fish of the family Nototheniidae.

Biology

Dorsal spines (total): 5 - 8; Dorsal soft rays (total): 29-38; Anal soft rays: 29 - 36

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Trematomus newnesi
Family
Nototheniidae (Cod icefishes)
Order
Perciformes (Perch-like fish)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
20.0
Depth range
0–400 m (0–1312 ft)
Environment
Marine; demersal; depth range 0 - 400 m
Climate
Polar
Distribution
Southern Ocean: East Antarctic, Weddell Sea, West coast of Antarctic Peninsula, South Shetland Islands, Elephant Island, South Orkney Islands, Mac Robertson, George V, Queen Mary, Adelie Coasts, Davis Sea and Ross Sea.
Conservation status (IUCN)
Not Evaluated
Threat to humans
Harmless
Uses
Fisheries: of no interest
Resilience
Medium, minimum population doubling time 1.4 - 4.4 years (Preliminary K or Fecundity.)

Sources

Taxonomy, distribution and biology data: FishBase (Froese, R. and D. Pauly, eds.), licensed CC BY-NC 4.0.

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