SUBNAUTICA / WRECKS

Degasi Seabase — Jellyshroom Cave

The abandoned underground habitat in the purple-mushroom cave system.

QUICK REFERENCEFirst SubnauticaReviewed 2026-10-28Reference / noindex
Original Volpedia schematic category illustration
OVERVIEW

Understanding Degasi Seabase — Jellyshroom Cave

The abandoned underground habitat in the purple-mushroom cave system.

This is an original reference for the first Subnautica. Your current depth rating, oxygen, available tools and navigation route determine when an objective is practical. Follow actual in-game PDA and Fabricator information for any values that vary by version.

PRACTICAL APPROACH

How to use this information

Bring appropriate gear for Crabsnake encounters and scan fragments with a rapid exit route.

COMMON MISTAKES

What to avoid

Do not enter the cave without a clear path to oxygen.

CONTINUE ON VOLPEDIA

Related topics and walkthroughs

WRECKSDegasi Seabase — Deep Grand Reef

A later, deeper Degasi outpost connected to advanced exploration and dangerous creatures.

WRECKSDegasi Seabase — Floating Island

The abandoned surface settlement that introduces Degasi exploration records and useful plants.

BIOMESJellyshroom Caves

A cave network with giant purple mushrooms, Crabsnakes and a Degasi location.

GUIDESCreative Building Ideas And 2 0

Design seabases using original Subnautica 2.0 building parts

GUIDESDegasi Habitats And Story Logs

Trace the Degasi expedition from island to deep sea

CHARACTERSBart Torgal

The younger Torgal whose ecological observations appear in the Degasi recordings.

EXPLORATIONBase Hull Integrity

Habitat parts and depth affect the stress placed on seabase structures.

Back to Wrecks & Lifepods

Independent Volpedia editorial encyclopedia about the first Subnautica, reviewed 2026-10-28. Unaffiliated with Unknown Worlds Entertainment. Category illustrations are original diagrams, not in-game maps, screenshots or exact creature portraits. No fabricated damage statistics, spawn probabilities or detailed map coordinates. References are documented privately and not shown as outbound research buttons.