Eggs
Eggs are the unhatched forms of certain types of Fauna. Until they hatch, the egg will be labeled as an unknown creature egg, changing to match the name of the creature the egg contains once it hatches. An egg can be identified by where it was found, its appearance, and its size (See table below).
Eggs can be placed inside a Large Aquarium. The egg will take about 3-5 in-game days to hatch, with the exception of the Reefback. When hatched, the creature within the egg will be a smaller version of its respective species.
Eggs are also capable of being destroyed before they hatch. Hits with a knife will slice open the egg, resulting in no creature being spawned.
Eggs can be found in their species' respective Biomes, however, an egg might fall into a Cave or another biome.
More information and animations can be found on Trello.
Cycle
After placing an egg inside an Aquarium, it will stay where it was placed. After about one in-game day, the egg will begin to move and pulse. After three to five in-game days, the egg will hatch into a smaller version of its species. The hatched creature will slowly grow until it is mildly full sized or can fit in the Large Aquarium. Baby creatures can be picked up and placed outside in the water, where they will instantly become fully grown. An aggressive creature will not attack the player if it is hatched in the aquarium, allowing the player to scan it. However, if it is released outside, it will revert to its aggressive behavior.
Eggs
| Icon | Name | Description | Size | Location |
|---|---|---|---|---|
| Mesmer Egg | Mesmer hatch from these | 1 | ||
| Spadefish Egg | Spadefish hatch from these | 1 | ||
| Rabbit Ray Egg | Rabbit Ray hatch from these | 1 | ||
| Shuttlebug Egg | Shuttlebug hatch from these | 1 | ||
| Bone Shark Egg | Boneshark hatch from these | 4 (2x2) | ||
| Crabsnake Egg | Crabsnake hatch from these | 4 (2x2) | ||
| Gasopod Egg | Gasopod hatch from these | 4 (2x2) | ||
| Jellyray Egg | Jellyray hatch from these | 4 (2x2) | ||
| Sand Shark Egg | Sandshark hatch from these | 4 (2x2) | ||
| Ampeel Egg | Ampeels hatch from these | 4 (2x2) | ||
| Stalker Egg | Stalker hatch from these | 4 (2x2) | ||
| Reefback Egg | Incredibly, Reefbacks hatch from these | 9 (3x3) | ||
| Crash Egg | Crash hatch from these |
|
It is worth noting that many Eggs are affected by the in-game physics engine, and as such will roll into strange places. An example of this is finding a Stalker or Sand Shark egg in the Jelly Shroom Caves.
Gallery
Rabbit Ray egg render
Crab Snake or Shuttlebug egg render
Sand Shark egg render
Mesmer egg render
Gasopod egg render
Bone Shark egg render
Ampeel egg render
Stalker egg render
Jellyray egg render
Creatures Eggs from Trello, day time
Creatures Eggs from Trello, night time
A list of possible creature eggs, taken from the official Subnautica twitter feed
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