Fish · notothenioid

Antarctic toothfish

Dissostichus mawsoni

PacificAtlanticIndianSouthernArctic A single ocean

Depth

Mostly 90 to 1,600 m, down to about 2,200 m

Size

Up to 2 m and about 80 kg

Diet

Grenadiers, icefish, glacial squid

Zone

Twilight zone · 200 – 1,000 m

Key facts

• It is the largest fish in the waters surrounding Antarctica.
• Its blood contains an antifreeze protein that keeps it from freezing in water at -2 °C.
• It can live nearly 40 years.
• Weddell seals fitted with cameras filmed their toothfish hunts.

Verified sources

1. FishBase : Dissostichus mawsoni
2. University of Illinois Alumni : Beneath icy waters (protéines antigel)
3. CCAMLR : régime de la légine antarctique en mer de Ross
4. NSF : des phoques comme yeux sous-marins

In the game: Prey: +10 points

In the same zone

Glacial squidPsychroteuthis glacialis Antarctic silverfishPleuragramma antarctica Big red jellyfishTiburonia granrojo Leafscale gulper sharkCentrophorus squamosus Grimaldi scaled squidLepidoteuthis grimaldii Whitecheek lanternsharkEtmopterus alphus