Creatures
Subnautica 2 alien ocean biome
Live Bestiary
Subnautica 2 · Bestiary

Confirmed Creatures
& Leviathans

A living record of every creature Unknown Worlds has shown publicly. Source, aggression, size, biome. Updated the hour new footage lands.

3

Tracked Creatures

1

Fully Revealed

2

Teased / Hinted

UE5

Reveal Pipeline

Ecosystem · 06 Facts

What we know about the alien biome

Everything Unknown Worlds has said publicly about how Subnautica 2 creatures get built.

Design pipeline

UE5 + bespoke AI behavior trees per creature

Animation

Full skeletal rigging, not pre-baked vertex animation

VFX

Custom particle and volumetric passes, shown for Collector

Planet

New ocean world in the Ariadne Arm, not 4546B

Connection to S1 fauna

None confirmed. New cast and new ecosystem

Team

Art and technical animation leads walk through the full Collector reveal

Featured · Leviathan

Collector Leviathan design breakdown

First Subnautica 2 creature walked from concept sketch to finished AI behavior tree.

Revealed · Sep 16, 2025· 10:30

Design pipeline

  1. Creating the Collector Leviathan

    01 · 00:40

  2. Modelling & Sculpting the Leviathan

    02 · 01:57

  3. Rigging the Collector

    03 · 03:27

  4. Technical Animation

    04 · 04:54

  5. Design Docs & Animating the Leviathan

    05 · 06:21

  6. Visual Effects

    06 · 08:23

  7. AI Behavior Tree

    07 · 09:04

▸ Full dev log

Bestiary · Ledger

Every confirmed creature

Speculation is marked explicitly. Unknown fields stay blank rather than invented.

NameStatusClassSizeAggressionBiomeSource
Collector LeviathanRevealedLeviathanLarge (Leviathan class)ReactiveNot confirmedDev Vlog, Sep 16 2025
New Small FaunaTeasedSmall CreaturesSmall (fish-class)PassiveMultiple biomes teasedTake a Deep Breath, Multiplayer vlog
Mid-size PredatorsTeasedAggressive FaunaMediumAggressiveReef and mid-zone teasedDiving Together, Feb 10 2026

Profiles · Deep Cuts

One panel per creature

Card-level detail. More body copy lands as dev logs drop.

Collector Leviathan
Revealed

Leviathan

Collector Leviathan

Size

Large

Aggro

Reactive

Biome

Not

First Subnautica 2 leviathan revealed end to end. The Sep 2025 dev vlog walks from early concept sketches through sculpting, UE5 skeletal rigging, technical animation, VFX and a bespoke AI behavior tree that drives how the creature patrols, investigates, and hunts.

Dev Vlog, Sep 16 2025

Dev log →
New Small Fauna
Teased

Small Creatures

New Small Fauna

Size

Small

Aggro

Passive

Biome

Multiple

Shoaling small fauna has been shown passing through gameplay footage in the Take a Deep Breath teaser and the Diving Together multiplayer vlog. Detailed reveals expected in upcoming dev logs before Early Access.

Take a Deep Breath, Multiplayer vlog

Dev log →
Mid-size Predators
Teased

Aggressive Fauna

Mid-size Predators

Size

Medium

Aggro

Aggressive

Biome

Reef

Gameplay cuts in the Diving Together multiplayer vlog hint at several mid-size predators circling divers. Reveal episodes for each are likely between now and Early Access.

Diving Together, Feb 10 2026

Dev log →

▸ While you wait

Browse the original Subnautica bestiary

Full creature database from the first game, with stats, drops and biome data.

Open Subnautica 1 Bestiary
Создания и левиантаны Subnautica 2 - Подтвержденные раскрытия