Antarctic toothfish (Dissostichus mawsoni)

Scientific name: Dissostichus mawsoni Norman, 1937

Antarctic toothfish (Dissostichus mawsoni)

The Antarctic toothfish (Dissostichus mawsoni) is a marine fish of the family Nototheniidae. Native range: Southern Ocean, circumpolar coastal Antarctic broadly to the Convergence. Endemic to the seas around.

Biology

Dorsal spines (total): 8 - 9; Dorsal soft rays (total): 25-27; Anal soft rays: 25 - 26. Uniformly brownish, with 4 irregular and incomplete dark cross-bars and with some dark spots.

Source: FishBase, licensed CC BY-NC 4.0.

Species facts

Scientific name
Dissostichus mawsoni
Family
Nototheniidae (Cod icefishes)
Order
Perciformes (Perch-like fish)
Class
Actinopterygii (Ray-finned fishes)
Maximum length
175
Depth range
0–1600 m (0–5249 ft)
Environment
Marine; pelagic-oceanic; depth range 0 - 1600 m
Climate
Polar
Distribution
Southern Ocean: circumpolar coastal Antarctic broadly to the Convergence. Endemic to the seas around.
Conservation status (IUCN)
Not Evaluated
Threat to humans
Harmless
Uses
Fisheries: minor commercial
Resilience
Low, minimum population doubling time 4.5 - 14 years (K=0.056; Fec=400,000)

Sources

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

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