Pineapple fish loves to swim at the bottom of the aquarium. He is quiet and gentle, and has no strict requirements on water quality. He likes neutral water, and the suitable water temperature is 23 ~ 28℃. In estrus, the temperament becomes violent and aggressive, and can be raised alone. Oviposition, demanding of spouse. We should raise them from small groups, make them naturally pair, and choose the parent fish with harmonious feelings and stable pairing. The optimum breeding water temperature is about 26℃, and a smooth stone or a flowerpot should be put in the breeding tank. First, the selected female fish should be put in, and then the male fish should be put in after it washes out a spawning ground with its mouth. After chasing, the female fish lays her eggs at the cleaned spawning point, and the male fish ejaculates afterwards. The fertilized egg is sticky; After spawning, the parent fish have egg protection behavior, and each pair of parent fish spawns about 1000 eggs each time. After the fertilized eggs hatch for 60 hours, the parent fish can be fished out at this time, and after about 60 hours, the larvae can swim and eat. Reachability is mature in one year, and it can reproduce many times a year.