1, female blue dragon: the abdomen of female fish develops into a full shape, which provides space for future seedling growth. The dorsal fin is round and the body color will become dim. The orange color at the bottom of the chest is not a special detail.

2. Male Blue Manlong: The abdomen of male fish is not as full as that of female fish, but the dorsal fin is long and sharp, and the body color is bright, and the pectoral fin is basically orange and relatively bright.

Second, the tiger skin fish resolution method:

1, tiger skin fish mouth: male tiger skin fish mouth is red, female tiger skin fish mouth is yellow.

2, followed by body shape: the male tiger fish is slender and has a thin abdomen, while the female tiger fish is called chubby, with a fat abdomen and some drums, but this should be distinguished before feeding;

3. Fin color: The fin color of male tiger fish is bright, while that of female tiger fish is dim. There is another thing that can be distinguished about how tiger fish are divided into males and females, that is, when breeding, the nose and tail of the male tiger fish will be as red as fire, which is very eye-catching, while the belly of the female tiger fish is bulging and very obvious.