Home · Nototheniidae · Antarctic toothfish
Antarctic toothfish (Dissostichus mawsoni) — Nototheniidae

Antarctic toothfish

Dissostichus mawsoni
Family: Nototheniidae
NE · Not Evaluated

The Antarctic toothfish (Dissostichus mawsoni) is a saltwater fish of the family Nototheniidae that grows up to 200 cm.

Length
200 cm
Water
Saltwater
Depth
0.0–2200.0 m
Diet
Carnivore
Behaviour
Solitary
Activity
Nocturnal
Body shape
Torpedo-shaped
Substrate
Open water
Danger
Harmless
Range
Antarctic waters
Edibility
Commonly eaten

Want the complete picture on the Antarctic toothfish?

Get the app

Description

The Antarctic toothfish is a large Antarctic predator from the cold waters around Antarctica. The species grows to about 200 cm and has a robust, grey body with antifreeze proteins in the blood and a fat-rich body that gives it buoyancy in cold, deep water. As a top predator it hunts fish and squid to very great depth. It is a valuable commercial fishery species, often sold as 'Chilean sea bass'. The IUCN has not evaluated the species.

Frequently asked questions

How do you recognise the Antarctic toothfish?

The Antarctic toothfish has a torpedo-shaped body, is mainly silver-grey and shows a plain pattern. Antifreeze proteins and a fat-rich body; Antarctic top predator

Where does the Antarctic toothfish live?

The Antarctic toothfish lives in the sea (marine waters) and is mostly found around open water. Antarctic waters

How big does the Antarctic toothfish get?

The Antarctic toothfish grows to a maximum of about 200 cm. On average the species is around 127 cm.

Is the Antarctic toothfish dangerous to humans?

No, the Antarctic toothfish is harmless to humans. This species is harmless to humans. No specific first aid is needed. Still handle the fish with care: mind the fin rays and the sharp edges of the gill cover, and rinse any scratch with clean water and cover it. For a dirty or deep wound check tetanus status.

Is the Antarctic toothfish edible?

Yes, the Antarctic toothfish is commonly eaten.

More photos

Antarctic toothfish (Dissostichus mawsoni) — Nototheniidae — 2
Wikimedia Commons — GeSHaFish (CC BY-SA 3.0)
Antarctic toothfish (Dissostichus mawsoni) — Nototheniidae — 3
Wikimedia Commons — No machine-readable author provided. Pcziko assumed (based on copyright claims). (CC BY 2.5)
Antarctic toothfish (Dissostichus mawsoni) — Nototheniidae — 4
Wikimedia Commons — GeSHaFish (CC BY-SA 3.0)
Antarctic toothfish (Dissostichus mawsoni) — Nototheniidae — 5
Wikimedia Commons — Citron (CC BY-SA 3.0)
Fin

Want the complete picture on the Antarctic toothfish?

Point your camera at the fish and Fin names the species in seconds. Free, and the Antarctic toothfish is one of 12,519 species in the app.

Get the app →

All data

Identification

English name
Antarctic toothfish verified
Scientific name
Dissostichus mawsoni
Family
Nototheniidae
Other names
Antarctic cod; Antarctic toothfish; Giant Antarctic cod; Antarctic blenny verified

Appearance

Size class
Extra large verified
Max length (cm)
200.0 verified
Average length (cm)
127.3 verified
Body shape
Torpedo-shaped sourced
Dominant colour
Silver / grey sourced
Pattern
Plain sourced
Tail shape
Straight inferred
Mouth position
Terminal sourced
Lips
Thick / fleshy sourced
Barbels
No sourced
Dorsal fins
Two separate sourced
Dorsal spines
No sourced

Habitat & distribution

Water type
Saltwater sourced
Substrate
Open water sourced
Min depth (m)
0.0 verified
Max depth (m)
2200.0 verified
Natural range
Antarctic waters verified
Origin
Native verified

Behaviour & biology

Diet
Carnivore sourced
Diet (detail)
Fishes and squid inferred
Social behaviour
Solitary sourced
Territorial
No sourced
Activity
Nocturnal sourced
Reproduction
Separate sexes sourced
Sexual dimorphism
No sourced
levensduur_max_jaar
39.0 verified
Seasonality
Antarctic deep-water apex predator; present year-round. sourced
Special features
Antifreeze proteins and a fat-rich body; Antarctic top predator sourced

For anglers

Edibility
Commonly eaten sourced
Fishing method
Longline fishing sourced
Regulations source
FishBase ↗ inferred

Safety

Danger to humans
Harmless sourced
First aid
This species is harmless to humans. No specific first aid is needed. Still handle the fish with care: mind the fin rays and the sharp edges of the gill cover, and rinse any scratch with clean water and cover it. For a dirty or deep wound check tetanus status. verified

Status & sources

Sources
FishBase via GBIF (DwC-A), CC-BY-NC 4.0

Same genus Dissostichus

More from the family Nototheniidae

Fin

Want the complete picture on the Antarctic toothfish?

Point your camera at the fish and Fin names the species in seconds. Free, and the Antarctic toothfish is one of 12,519 species in the app.

Get the app →
Is this the Antarctic toothfish? Get the app