Can Koi Fish Live Indoors

Young koi can be kept indoors in an aquarium of at least 29 gallons. Put the aquarium in a quiet area out of direct sunlight and drafts. Cover the aquarium with a hood to reduce evaporation and splashing and to keep fish from leaping out.

Can you keep pond fish indoors?

Yes they can but please keep in mind it will take a lot more work. You will need to watch the ammonia levels in the tank. It is toxic to the fish. Ammonia is produced as the fish breath and excrete waste.

Can koi fish live without oxygen?

With all of the above in mind, the amount of time that koi can survive without an active oxygen supply can range from a couple of hours to several days. If there is no dissolved oxygen present in the water, then obviously they will die in a matter of minutes.