After laying eggs, the blue-billed fish should pay attention to the protection to prevent the roe from being damaged. Since some blue-billed fish will swallow the roe, the female fish will follow the insemination of the other male fish after laying eggs, so there is no need to do so. Afraid that the roe is not fertilized.

After the blue-mouthed hanging lays eggs, the water will It becomes more turbid. If the water is not changed immediately, it will immediately consume a lot of oxygen in the water, causing the fish roe to fail to ovulate normally. So you need to change the water in time.