It is not easy to distinguish the male and female of the blue mandrake when it is in the juvenile stage. After entering the mature stage, it is relatively easy to distinguish the female and male. It can be distinguished from the following two aspects:
1. Appearance: First of all, there are some differences in the appearance of male and female fish, which can be distinguished from these characteristics. You can see their bellies. If the female fish, then their abdomen will be more full, but the male's abdomen will look more flat. This feature is more easily observed during the breeding season. You can also see their fins. Pectoral fins, in particular, are easier to observe. The pectoral fins of female fish look blunt, but the pectoral fins of male fish are more pointed and longer.
2. Color: In addition, the color of the male and female fish is quite different. First of all, from the overall point of view, the color of male fish is relatively bright, while the color of female fish is relatively dim. In addition, the color of their pectoral fins is also different, the orange of the female pectoral fins is not obvious, while the male is more obvious.
Blue man arowana male and female fish can be put together mixed culture, generally speaking, there will be no problem. Their body shape and habits are basically the same, it is easier to control the surrounding environment, there will be no uncoordinated situation. If they are mixed, they need to fully consider the problems of space and food, and if food is scarce, they may also fight.
