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Fauna is the scientific term for the animals of a region. Fauna in Subnautica can be found all over the planet, from the deepest darkest depths of the secretive Lost River to the vibrant Safe Shallows, and even to the fiery pits of the lava zone.

There is a large variety of fauna, ranging from the minuscule, cave-dwelling Rockgrub, to the colossal Sea Dragon Leviathan that spews molten minerals from its mouth. Fauna on Planet 4546B are capable of enduring and adapting to various environments, although unable to thrive due to the presence of the Kharaa Bacterium. Certain species of small fauna can sometimes be seen forming shoals.

Fauna on Planet 4546B are simultaneous hermaphrodites, having a single sex capable of both laying eggs and fertilizing them. Two parents are still required to fertilise the eggs. Fauna on 4546B also have yellow blood.

All known species on 4546B reproduce via egg-laying.

Invertebrates make up a small minority of fauna species on Planet 4546B, contrasting with Earth on which invertebrates make up around 97% of fauna species.

The player can scan fauna with the Scanner, allowing them to view information about the creatures in their PDA.

Current list of fauna

Carnivores

Fauna Attitude Biome
Shocker Fauna
Ampeel

Shocker

Aggressive
Biter Fauna
Biter

Biter

Aggressive
Blighter Fauna
Blighter

Blighter

Aggressive
Boneshark Fauna
Boneshark

Boneshark

Aggressive
Crabsnake Fauna
Crabsnake

Crabsnake

Aggressive
Crabsquid Fauna
Crabsquid

Crabsquid

Aggressive
Crash Fauna
Crashfish

Crash

Defensive
Ghost Leviathan Fauna
Ghost Leviathan

ghostleviathan

Aggressive
Lava Lizard Fauna A
Lava Lizard

lavalizard

Aggressive
Mesmer Fauna
Mesmer

mesmer

Aggressive
Reaper Leviathan Fauna
Reaper Leviathan

reaperleviathan

Aggressive
Spine Eel Fauna
River Prowler

spineeel

Aggressive
Sand Shark Fauna
Sand Shark

sandshark

Aggressive
Sea Dragon Leviathan Fauna
Sea Dragon Leviathan

seadragon

Aggressive
Stalker Fauna
Stalker

stalker

Aggressive
Warper Fauna
Warper

warper


Herbivores

Fauna Attitude Biome
Airsack Fauna
Bladderfish

bladderfish

Passive
Boomerang Fauna
Boomerang

boomerang

Passive
Red Ghost Ray Fauna
Crimson Ray

ghostrayred

Passive
Cute Fish Fauna
Cuddlefish

cutefish

Passive
Eyeye Fauna
Eyeye

eyeye

Passive
Garryfish Fauna
Garryfish

garryfish

Passive
Gasopod Fauna
Gasopod

gasopod

Defensive
Ghost Ray Fauna
Ghostray

ghostrayblue

Passive
Holefish Fauna
Holefish

holefish

Passive
Hoopfish Fauna
Hoopfish

hoopfish

Passive
Hoverfish Fauna
Hoverfish

hoverfish

Passive
Jellyray Fauna
Jellyray

jellyray

Passive
Lavaboomerang
Magmarang

lavaboomerang

Passive
Oculus Fauna
Oculus

oculus

Passive
Peeper Fauna
Peeper

peeper

Passive
Rabbit Ray Fauna
Rabbit Ray

rabbitray

Passive
Lava Eyeye
Red Eyeye

lavaeyeye

Passive
Reefback Fauna
Reefback

reefback

Passive
Reginald Fauna
Reginald

reginald

Passive
Sea Emperor Fauna
Sea Emperor Leviathan
Passive
Sea Treader Fauna
Sea Treader

seatreader

Defensive
Skyray Fauna
Skyray

skyray

Passive
Spadefish Fauna
Spadefish

spadefish

Passive
Blood Hoopfish Fauna
Spinefish

spinefish

Passive


Scavengers & Parasites

Fauna Attitude Biome
Amoeboid Fauna
Amoeboid
Passive
Bleeder Fauna-0
Bleeder

bleeder

Aggressive
Blood Crawler Fauna
Blood Crawler

shuttlebug

Aggressive
Cave Crawler (01)
Cave Crawler

cavecrawler

Aggressive
Floater Fauna-0
Floater

floater

Passive
Lava Larva Fauna
Lava Larva

lavalarva

Passive
Rockgrub Fauna
Rockgrub

rockgrub

Passive
Jumper Fauna
Shuttlebug

jumper

Passive


Extinct Species

Name Location Of Remains Age Living Relatives
Unknown
Alpha Peeper Species
  • N/A
Tens if not hundreds of millions of years old
Unknown
Alpha Ray Species
  • N/A
Many millions of years old
Ancient Skeleton
Ancient Skeleton
1,000,000 years
  • Unknown
Gargantuan Skull
Gargantuan Fossil
3,000,000 years
  • Unknown
Disease Research Facility Skeleton
Research Specimen Theta
1000 years


Possible Expansion Pack Additions

Fauna Attitude Biome
Bloomplankton-1
Bloom Plankton

bloom

Passive
  • -
Large Bird
Large Bird
-
  • -

Rock Puncher Fauna

Rock Puncher

-
  • -

Gallery

Future Plans

  • In the future it may be possible to ride certain fauna.[1]

Trivia

  • Fauna were once intended to posses inherent attributes, that would have caused them to exhibit unique behaviors. These included, e.g., "Fertile" (occasionally lay eggs that can be hatched), "Alpha" (attacked the player if other creatures were killed by the player in the immediate vicinity), "Complex" (specimens take longer to scan), "Greater" (specimens are of larger size and weight), ... Whether these attributes are currently implemented or will be implemented in future updates is unknown.
  • As of the Dangerous Creatures update, all fauna have yellow blood. Before this update, fauna had red blood. This is due to the ESRB giving Subnautica a higher rating than expected due to red blood.
  • If you hold a small animal in your hand when a carnivorous fauna is about to attack, it will eat the animal out of your hand, instead of attacking you.
  • It seems to be possible to stop small fauna (like the bladderfish) from spawning by catching every single one of them. The console could be used to spawn new ones, however it is uncertain whether this will increase the population over time.
  • In the very early stages, there was an unused Sandworm that could only be spawned using the console, it would stay in one place under the ground and when the player or an npc was right above it, it would spring up and would do 1 damage but at a very fast rate. It never had any animations, except it shooting out of the ground and back into its hole.
    • There was also an unused Grabcrab that would leave its burrow and search for items to drag back to its hole. Its burrow also had the same model as the Grabcrab.

References

  1. https://trello.com/c/LIxTNSqq/6506-ride-fish-anims-system