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 2-3 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

Image	Name	Size	Location
(Note: No ingame model yet, the current is a Boneshark egg, as such, Bonesharks will hatch from these)	Crash Egg	1	Unknown
	Mesmer Egg	1	Koosh Zone
	Spadefish Egg	1	Grassy Plateaus
	Rabbit Ray Egg	1	Safe Shallows
	Shuttlebug Egg	1	Koosh Zone
	Bone Shark Egg	4 (2x2)	Koosh Zone Mushroom Forest
	Crab Snake Egg	4 (2x2)	Jelly Shroom Caves
	Gasopod Egg	4 (2x2)	Safe Shallows
	Jellyray Egg	4 (2x2)	Mushroom Forest Deep Grand Reef
	Sand Shark Egg	4 (2x2)	Grassy Plateaus
	Ampeel Egg	4 (2x2)	Blood Kelp Zone Koosh Zone
	Stalker Egg	4 (2x2)	Kelp Forest
	Reefback Egg	9 (3x3)	Grassy Plateaus

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

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  Rabbit Ray egg render

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  Crab Snake or Shuttlebug egg render

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  Spadefish or Reefback egg render

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  Sand Shark egg render

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  Mesmer egg render

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  Gasopod egg render

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  Bone Shark egg render

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  Ampeel egg render

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  Stalker egg render

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  Jellyray egg render

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  Creatures Eggs from Trello, day time

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  Creatures Eggs from Trello, night time

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  A list of possible creature eggs, taken from the official Subnautica twitter feed

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  Concept Art