1. Reason: Koi need plenty of space. If the space is too crowded, there will be a bite between the koi.
2. Prevention: The breeder should choose a large aquarium to breed koi, and the density should not be large, so as to ensure that each koi has enough space for activities.
1. Reason: The water in the tank has not been changed or cleaned for a long time, so that the water quality in the tank deteriorates and bacteria appear on the koi. At this time, koi will bite each other's bacteria.
2. Preventive measures: Clean the fish tank regularly, change the water and add oxygen in time, so as to ensure clean water quality.
1. Reason: During the breeding period, koi will chase and bite each other because of fighting for a mate.
2. Prevention: After the koi enters the breeding period, the koi is mixed according to the ratio of female and male koi of one to three.
1, reason: Koi did not eat enough, can not find food in the tank, will bite other fish.
2, prevention: a small number of times to feed, so that Koi satiated.
1. Reason: The newly added koi may not be familiar with the koi in the original tank, and they may attack each other.
2. Prevention: In this case, the breeder only needs to rest for a period of time. When the koi are familiar with each other, they will not attack each other. If there is a serious situation, we must seize the isolation.
