The craterfish has no strict requirements on water quality, and can live in the water temperature of 20-30°C, and the optimum growth temperature is 23-25°C. Not choosing food, but love to eat animal bait. Hukou fish is ferocious and should not be mixed with other tropical fish.

The craterfish has a very ferocious temperament, so it is necessary to pay attention to polyculture when raising it in the aquarium In principle, it is not recommended to mix with other tropical fish. Crackers sometimes dig in the gravel and like to uproot water plants, so you should also pay attention to the layout of the breeding environment when raising craters.

The requirements for the water used for breeding are 6-8 hardness, pH 6.5-7.5, and water temperature 25-27 degrees Celsius. The breeding tank should be covered with sand and placed sideways in small flower pots so that the fish can travel between them. Used as spawn attachment.