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Field Report · v1

Bioluminescence

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Bioluminescence is a biological illumination found in most flora and fauna on Planet 4546B. While it aids in visual identification, the light produced is generally too dim to assist with night-time navigation.

Last refreshed May 18, 2026

Bioluminescence

Bioluminescence is a type of biological illumination, which is created by many Flora species and the vast majority of Fauna species on Planet 4546B. Most bioluminescent life forms cannot generate light bright enough to significantly help the player with night time navigation.

Subnautica Species

Fauna

Ampeel Ampeel

Biter Biter

Blighter Blighter

Boneshark Boneshark

Crabsquid Crabsquid

Crashfish Crashfish

Mesmer Mesmer

River Prowler River Prowler

Sand Shark Sand Shark

Bladderfish Bladderfish

Boomerang Boomerang

Crimson Ray Crimson Ray

Cuddlefish Cuddlefish

Eyeye Eyeye

Garryfish Garryfish

Gasopod Gasopod

Ghostray Ghostray

Holefish Holefish

Hoopfish Hoopfish

Hoverfish Hoverfish

Jellyray Jellyray

Magmarang Magmarang

Oculus Oculus

Peeper Peeper

Rabbit Ray Rabbit Ray

Red Eyeye Red Eyeye

Reginald Reginald

Spadefish Spadefish

Spinefish Spinefish

Ancient Floater Ancient Floater

Ghost Leviathan Ghost Leviathan

Reaper Leviathan Reaper Leviathan

Reefback Leviathan Reefback Leviathan

Sea Dragon Leviathan Sea Dragon Leviathan

Sea Emperor Leviathan Sea Emperor Leviathan

Further Sea Emperor Leviathan bioluminescence Further Sea Emperor Leviathan bioluminescence

Sea Emperor Leviathan Baby Sea Emperor Leviathan Baby

Sea Treader Leviathan Sea Treader Leviathan

Bleeder Bleeder

Blood Crawler Blood Crawler

Cave Crawler Cave Crawler

Lava Larva Lava Larva

Rockgrub Rockgrub

Shuttlebug Shuttlebug

Skyray Skyray

Warper Warper

Flora

Bloodroot Bloodroot

Bloodvine Bloodvine

Blue Barnacles Blue Barnacles

Blue Palm Blue Palm

Cave Bush Cave Bush

Chinese Potato Plant [Chinese Potato Plant](/wiki/chinese-potato-plant)

Creepvine Creepvine

Sulfur Plant Sulfur Plant

Eye Stalk Eye Stalk

Gabe's Feather Gabe's Feather

Gel Sack Gel Sack

Ghost Weed Ghost Weed

Jellyshroom Jellyshroom

Bulb Bush Bulb Bush

Lantern Tree Lantern Tree

Membrain Tree Membrain Tree

Ming Plant Ming Plant

Pink Cap Pink Cap

Purple Pinecone Purple Pinecone

Pygmy Fan Pygmy Fan

Redwort Redwort

Regress Shell Regress Shell

Rouge Cradle Rouge Cradle

Sea Crown Sea Crown

Speckled Rattler Speckled Rattler

Spotted Dockleaf Spotted Dockleaf

Veined Nettle Veined Nettle

Violet Beau Violet Beau

Voxel Shrub Voxel Shrub

Writhing Weed Writhing Weed

Subnautica: Below Zero Species

Fauna

Arctic Peeper [Arctic Peeper](/wiki/arctic-peeper)

Arctic Ray dorsal view Arctic Ray (dorsal view)

Arctic Ray ventral view Arctic Ray (ventral view)

Arrow Ray Arrow Ray

Chelicerate Chelicerate

Discus Fish Discus Fish

Eye Jelly Eye Jelly

Feather Fish Feather Fish

Glow Whale side view Glow Whale (side view)

Glow Whale dorsal view Glow Whale (dorsal view)

Hivemind Hivemind

Hivemind threat display Hivemind (threat display)

Ice Worm Ice Worm

Lily Paddler Lily Paddler

Pengwing Pengwing

Pengling Pengling

Pinnacarid Pinnacarid

Sea Monkey Baby Sea Monkey Baby

Shadow Leviathan Shadow Leviathan

Shadow Leviathan frontal view Shadow Leviathan (frontal view)

Snowstalker Snowstalker

Snow Stalker Baby Snow Stalker Baby

Brown Spikey Trap Brown Spikey Trap

Blue Spikey Trap Blue Spikey Trap

Squidshark Squidshark

Triops Triops

Juvenile Ventgarden Juvenile Ventgarden

Ventgarden Ventgarden

Void Chelicerate Void Chelicerate

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