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Yes Koi can live in fish tanks and will do just fine as long as it is has a fish tank larger than 60 gallons or 240 liters. It is actually best for them to live in tanks that are 75+ Gallons. This is why people generally buy them for there ponds. These fish have a lifespan of about 60 years so you can start them off in a smaller tank and buy a bigger one in the future. It may however just be better to start off with a large aquarium so you don't spend a bunch of money buying bigger and bigger aquariums until you have a 75 gallon.

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14y ago

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