Bluemoon
Food +10 / Water +5
*Moliform semiluna* subspecies or morph. Blue.
Fauna scan index
Subnautica 2 Creatures
A practical creature index built around scanner entries first: overview notes, BioScan unlocks, scan duration, icons, and pickup or food values where the current data exposes them.
Planning a Leviathan encounter? Compare Collector, Shiver and Deepwing Brooder for research rewards, identification and the latest vehicle changes.
19
Fauna scan entries
Creatures with a fauna scanner entry.
13
BioScan unlocks
Creatures with a BioScan unlock.
8
Pickup fauna
Creatures that can be held or consumed.
Overview cards
Compare the featured creatures, then open a guide for behavior, scanning and encounter advice.
Water Slug
Water Slug has a fauna scanner entry.
Scanner entryBioScan unlockDatabank unlock
Hammerhead
5sHammerhead has a fauna scanner entry and a 5 second scan time.
Scanner entryBioScan unlock5s scanDatabank unlock
Collector Leviathan
4sCollector Leviathan has a fauna scanner entry and a 4 second scan time.
Scanner entryBioScan unlock4s scanDatabank unlock
Shiver Leviathan
5sShiver Leviathan has a fauna scanner entry and a 5 second scan time.
Scanner entry5s scanDatabank unlockCannot pick up
Deepwing Brooder
5sDeepwing Brooder has a fauna scanner entry and a 5 second scan time.
Scanner entry5s scanDatabank unlock
Fauna scan index
This table is the reliable overview layer: names, scan duration, BioScan status, and databank unlocks where available.
| Creature | Scan | BioScan | Overview |
|---|---|---|---|
| Collector Leviathan BioScan target | 4 sec | Yes | Collector Leviathan has a fauna scanner entry and a 4 second scan time. |
| Deepwing Brooder Scanner target | 5 sec | No | Deepwing Brooder has a fauna scanner entry and a 5 second scan time. |
| Hammerhead BioScan target | 5 sec | Yes | Hammerhead has a fauna scanner entry and a 5 second scan time. |
| Shiver Leviathan Scanner target | 5 sec | No | Shiver Leviathan has a fauna scanner entry and a 5 second scan time. |
| Water Slug BioScan target | Listed | Yes | Water Slug has a fauna scanner entry. |
| Bluemoon Scanner target | Listed | No | Bluemoon has a fauna scanner entry. |
 Bullethead BioScan target | Listed | Yes | Bullethead has a fauna scanner entry. |
 Coral Crab BioScan target | 6 sec | Yes | Coral Crab has a fauna scanner entry and a 6 second scan time. |
 Electric Geordie BioScan target | Listed | Yes | Electric Geordie has a fauna scanner entry. |
 Flash Slug Scanner target | Listed | No | Flash Slug has a fauna scanner entry. |
 Geordie BioScan target | Listed | Yes | Geordie has a fauna scanner entry. |
| Halfmoon BioScan target | 1 sec | Yes | Halfmoon has a fauna scanner entry and a 1 second scan time. |
| Harvestmoon Scanner target | 1 sec | No | Harvestmoon has a fauna scanner entry and a 1 second scan time. |
 Houndgar BioScan target | Listed | Yes | Houndgar has a fauna scanner entry. |
 Hoverthorn BioScan target | 1 sec | Yes | Hoverthorn has a fauna scanner entry and a 1 second scan time. |
 Needler Mango BioScan target | 5 sec | Yes | Needler Mango has a fauna scanner entry and a 5 second scan time. |
 Pneuma Scanner target | 1 sec | No | Pneuma has a fauna scanner entry and a 1 second scan time. |
 Sandspear BioScan target | Listed | Yes | Sandspear has a fauna scanner entry. |
 Surge Jelly BioScan target | 5 sec | Yes | Surge Jelly has a fauna scanner entry and a 5 second scan time. |
Pickup and food values
These entries expose pickup or consume values. They are useful for survival planning, but they are separate from creature behavior and location advice.
Electric Geordie
Food +20 / Health -10
Full of electrolytes.
Flash Slug
Food +20 / Health -10
Geordie
Food +20 / Health -5
*Salpapod geordie*. Jet-propelled omnivore. Not a fish.
Halfmoon
Food +10
*Moliform semiluna*. Edible forage fish. Peculiar nervous system.
Harvestmoon
Food +20 / Water -5
*Moliform semiluna* subspecies or morph.
Hoverthorn
Food +15 / Water -5
Edible though insubstantial fish. Difficult to grip due to its unique electromagnetic propulsion.
Pneuma
Food +25 / Water -5
A prey fish that mimics the bladders of an undiscovered kelp species.
Related systems
Use these pages to connect scanner entries with upgrades, flora, and broader creature filtering.
Leviathan Guide
Collector research, Shiver vehicle behavior and Deepwing egg clusters.
Biomods
Connect BioScan unlocks with player modification planning.
DNA Modification
Understand where creature scans fit into the upgrade system.
Flora
Keep sessile plants and harvestables separate from fauna scans.
Creature Database
Filter creature pages by scan and survival context.