Alien Containment (Below Zero)

The Alien Containment is a large, cylindrical aquarium which can be filled with Fauna that has been caught or hatched by Robin Ayou. It can be built using the Habitat Builder inside a Multipurpose Room or Large Room.

Building
In order to get inside of—or put fish into—the Alien Containment, the player must build a Hatch on the side. The player can then enter the Alien Containment and release caught fish into it. Non-edible fish can be added through the use of their respective eggs. If two or more Multipurpose Rooms are stacked on top of each other, building Alien Containments inside each room will cause the Containers to merge into a singular, larger tank.

When built inside of a Large Room, the Alien Containment takes up two of the central floor spots, for a tank about twice the size of the one created in a Multipurpose Room. A Large Room can accommodate two of these extra-large Alien Containments. They will still stack as normal if built in stacked Large Rooms, and can be entered with a Hatch. Currently, despite their greater size, they do not support a larger fish population.

Uses
If the player leaves two creatures of the same species inside the Alien Containment for long enough, they will breed and another fish of the same species will spawn inside. Once the Alien Containment reaches a population of ten fish, the reproductive process will stop. If more fish are added after the maximum is reached, some will die and float to the top of the container. Multiple Alien Containments stacked on top of each other will increase the amount by ten each.

Eggs can be placed inside the Alien Containment. This can be done by simply dropping the Eggs inside the Alien Containment. Eggs will take about three to five in-game days (sometimes less) in order to hatch. When hatched, the fauna within the eggs will create smaller versions of said fauna, and will grow inside the Alien Containment. Non-edible Fauna can be bred this way to be used as fuel for the Bioreactor. Keep in mind that egg-laying fish will keep laying eggs (so long as there are two or more) and hatching them until the population cap is reached, as stated above. The process can be sped up by sleeping.

Flora can be placed inside the Alien Containment, via a Planter UI that appears when hovering above the soil. This has sixteen slots (4×4) in an Alien Containment built in a Multipurpose Room, and 32 slots (split into two 4×4 blocks) in one built in a Large Room. This can be used as an alternative to the Exterior Growbed for farming aquatic resources.

Aggressive Fauna hatched inside the Alien Containment will have a Passive attitude towards the Player when they enter the Alien Containment, and if they are released into the wild. Aggressive Fauna hatched inside the Alien Containment will not attack other fauna inside the Alien Containment, but will attack other fauna if released into the wild, even other fish hatched inside the Alien Containment. Once released into the wild, Aggressive Fauna will also attack small player vehicles, regardless of whether the player is in them or not, although they lose interest much faster than their wild counterparts.

Recipe
The blueprint for this object is acquired by scanning the Alien Containment inside the Mercury II (bow)

Gallery
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