Subnautica 2 Wiki

The World Tree is a biome on the ocean moon Proteus in Subnautica 2, identified from development file names. The name implies a massive organic structure forming the basis of an entire underwater ecosystem.

World6/8/2026 3 min readMikoTanaka

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.

Creatures6/8/2026 4 min readDarkwhispers

The Jelly Plateaus is a biome on the ocean moon Proteus in Subnautica 2 featuring flat elevated terrain with jellyfish-themed elements. Identified from development file names.

World6/8/2026 2 min readTheRealMaverick

The Start Zone is the initial biome where players begin Subnautica 2 after the opening sequence. Unlike the original game's Safe Shallows, players arrive here after being propelled up from the deep ocean.

World6/8/2026 1 min readMikoTanaka

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.

Creatures6/10/2026 2 min readvoidwalker

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 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.