Isolation should be carried out after the white-finned and black scorpion spawns to prevent the fish from destroying the eggs, because some fish will eat the eggs. After the white-finned and black hangings lay their eggs, the water will become turbid, and the water should be changed in time to ensure that the eggs can hatch normally.

After the white fin and black scorpion lays eggs, in the water There are a lot of turbid semen and unfertilized fish eggs, which produce a strong fishy smell, and the water quality will quickly deteriorate. It is necessary to replace half of the water quality during the spawning period to keep the water environment stable and healthy.