1. Body shape difference: Generally speaking, the body shape of the male arowana is relatively slender, while the body shape of the female arowana is relatively short. Careful observation of the fish's abdomen shows that the male's abdomen is relatively flat, while the female's abdomen is relatively round.
2. Fin difference: There is a certain difference between the dorsal fin of male and female mandrakes. The dorsal fin of the male is more pointed and longer, while the dorsal fin of the female is more rounded and shorter.
3. Difference in body color: In general, the body color of the male arowana is relatively bright, while the body color of the male arowana is relatively dim. This can be seen in the pectoral fins. The pectoral fin base of male arowana is obvious orange-red, while the pectoral fin base of female arowana is not obvious orange-red.
In general, the male and female arowana can be raised together. Male and female fish can live in peace and will not fight. However, special attention should be paid during the breeding season. When the female fish spawns, it is necessary to fish out the female fish, leaving only the male fish to take care of the eggs. At this time, the male and female fish can not be raised together. Because the female fish may eat the eggs by mistake, after reproduction, the male fish will actively drive the female fish away from the eggs.
