FIND // PDA CASE FILE
Can't Find Deep Shrooms in Subnautica
Deep Shrooms are hazardous flora used for advanced materials, not a shallow starting resource. Find the right deep biome and take spores home before the dangerous route becomes a repeat trip.
LAST CHECK
ANSWER LOCK // QUICK RESPONSE
Search the Blood Kelp Zones and their caves first. Deep Shrooms also grow in the Lost River and Sea Treader's Tunnel Caves; knife one to collect spores for a planter.
SIGNAL CONFIRMEDLOCATION SCAN
BIOMEBlood Kelp Zones, Lost River, and Sea Treader's Tunnel Caves
DEPTHDeep mid-game and later
REQUIRED EQUIPMENTVehicle or deep-diving setup, Survival Knife for spores, Extra oxygen and a safe return route
BRING THIS
- Vehicle or deep-diving setup
- Survival Knife for spores
- Extra oxygen and a safe return route
DATA ACCESS LEVEL
Reveal only as much as you need
02 // DIRECTIONDirectionROUTE GUIDANCE
03 // EXACT ANSWERExact answerFULL SPOILER
COMMON REASONS YOU ARE STUCK
- Searching the Acid Mushroom starting loop
- Touching the hazardous plant without enough health
- Leaving without spores for a planter
- Confusing Deep Shroom with Crystalline Sulfur
EVIDENCE LOG
Verification record
Facts on this page are separated from player speculation. Version-sensitive answers should be rechecked after an official update.
LAST CHECK2026-09-01
- SOURCE // 01Deep Shroom OPEN SOURCE ↗WIKI · checked 2026-09-01
- SOURCE // 02Blood Kelp Zone OPEN SOURCE ↗WIKI · checked 2026-09-01
- SOURCE // 03Lost River OPEN SOURCE ↗WIKI · checked 2026-09-01