There are many species of ornamental fish. All valuable ornamental fish are called ornamental fish. There are two types of ornamental fish, one is marine fish and the other is freshwater fish. It can also be divided into three species, one is temperate water fish, the other is tropical freshwater fish, and the third is tropical marine fish. Tropical fish include carp, perch and catfish. Temperate freshwater fish mainly include crucian carp, koi, goldfish and so on. Tropical freshwater fish are mainly divided into three series, one is a lantern, one is a angelfish, and the other is arowana. Tropical marine fish, such as snapper, seahorse, tropical fish, etc. , are more common. If you want to mix fish, be careful not to put two aggressive fish together, otherwise after a while you will find that the fish tank will become a battlefield. Big fish with good tempers can be mixed with aggressive small fish, so that small fish will not bully big fish. #观赏鱼 #
