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A docile arthropod leviathan that drifts the open water column anywhere on the map. Picture a city-block-sized winged crustacean swimming in slow loops, releasing pulses of glowing eggs as it goes. Brooders travel in rare packs — usually solo, occasionally two or three together — and ignore the player completely unless attacked.

The huge tearing beak is for cracking shellfish; the fatty hump on the back is brood storage. The Brooder is the friendliest large creature on Proteus. Scan it the first time you see one — sightings are not reliably predictable.

"Observed in low-density swarms releasing fertilized clusters. The hump-cached fat reserve appears to serve both feeding and limited defensive functions."

Where to Find

Can Appear Anywhere On The Map

Stats

Scientific Name Titanotagmatapterya amalthea
Behavior Docile Leviathan
Classification Docile leviathan (arthropod) — *Titanotagmatapterya amalthea* "titanic wing-segmented cup of plenty"

Notes

Player tips: 1) Riding alongside a Brooder lets you cross the map at its altitude with no aggro from nearby predators (they ignore the area). Discovered as an emergent Tadpole tactic on r/Subnautica. 2) Egg clumps (Deepwing Egg Clump) released in its wake are a free craftable resource — pick them up as it drifts past. 3) Do not shoot it. It can defend itself. 4) Visually similar to the Reefback from Subnautica 1 but unrelated.

Sources