The difference between them is the difference in appearance, not the difference between men and women.

1. Appearance difference: overlord crab is relatively large, with a full back like a cloak and a wide side cover. King crab has a relatively small body, an oval back and a narrow side cover.

2. Gender difference: In the adult stage, the male crab of overlord crab is more common, and the female crab of king crab is the main one. In addition, the male crab of Overlord Crab has a natural rapper under the abdomen, which is used to make a sound to attract attention when mating with the female crab.