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The Great Jaw (nicknamed Clamthulu): the stationary giant-clam Leviathan from Subnautica 2's trailer, its trap mechanic, how to scan it safely, and where to find it.
The Hammerhead is an alien creature inhabiting the oceans of the ocean moon Proteus in Subnautica 2. It has a broad, laterally extended head and is highly territorial and aggressive toward larger lifeforms.
The Deepwing Brooder is a large, docile egg-laying leviathan in the Subnautica 2 Early Access build. Unlike the other leviathans it poses effectively no threat, and is notable for its scale rather than its danger.
The Foureye is an aggressive non-leviathan predator in Subnautica 2, reported to be born in twin pairs. It has very low health, but with no weapon available to exploit that, evasion remains the response.
The Coral Crab is a large crustacean of the Coral Gardens region in Subnautica 2, able to damage vehicle hulls. Its leviathan-class label is disputed, so this page treats it as a large crustacean.
The Marrowbreach is a large, aggressive shark-like predator of the Coral Gardens region in Subnautica 2, named in the June 1, 2026 Hotfix 3 patch notes and known for hunting alongside the Houndgar.
The Needler Mango is described as the highest-threat non-leviathan predator in Subnautica 2. It is territorial and reported to attack with ranged tusk or needle projectiles rather than close-range bites.
The Tongue Thief is a small passive crustacean parasite in Subnautica 2, found in swarms around the runoff pools of the Karakorum Metal Farms, where it parasitises the Epicurean from inside its host's mouth.
The Houndgar is a small squid-like creature in Subnautica 2 that hunts in squads alongside the Marrowbreach, dazzling prey with bright flashes. Sampling one contributes to the Chum Cloud biomod.
The Nibbler Mango is a mid-sized, aggressive pack hunter found in the Coral Gardens of Subnautica 2. Scanning one unlocks the Slow Metabolism biomod, and Hotfix 3 rebalanced the species in five ways.
