What size fish tank does koi fish need? What are the disadvantages of keeping koi fish in a small fish tank?

To raise koi fish, you should at least use a fish tank with a height of 1 meter. This kind of fish in koi fish is a large ornamental fish, so it has certain requirements for space. Moreover, it consumes a lot of oxygen, so it needs to be kept oxygenated to prevent fish from floating due to lack of oxygen. In the daily feeding process, there are many foods to choose from, but it is best to choose animal feed so that fish can grow fast.

1. How big a fish tank will koi fish have? At least 1 m fish tank should be used to raise koi fish. This kind of fish in koi fish is relatively large, belonging to large ornamental fish, which has certain requirements for space. Moreover, it consumes a lot of oxygen, so it needs to be kept oxygenated to prevent fish from floating due to lack of oxygen. In the daily feeding process, there are many foods to choose from, but it is best to choose animal feed so that fish can grow fast.

Second, what are the disadvantages of keeping koi fish in a small fish tank? 1, affecting development: The biggest problem of raising koi fish in a small fish tank is affecting development. Because this kind of fish in koi fish can grow to more than 1 m, too small fish tanks will limit its growth, resulting in its small growth. Fish that don't grow up look ugly, and even become old fish after a long time.

2. Can't move: Because the fish tank is relatively small, koi fish can't move. If you don't swim for a long time, it will make the fish fat and even reduce the resistance. Moreover, if the fish can only be suspended in the fish tank, it seems that there is no spirit, and the overall ornamental value will be greatly reduced.

3, easy to get sick: the fish tank is too small, and there is less water. This makes it difficult to maintain the water quality. Once the water quality deteriorates, koi fish will get sick. There would be no such trouble in a big fish tank, the water body could be maintained and the fish could grow healthily.