2, Green Crab: (Alias) Green Crab, Gates Crab, Yellow Armor Crab, Gazami Crab, Crab Crab, Wolle Crab
3, Flower Crab: (Alias) Pike Crab in Faraway Sea
4, Three-Eyed Crab: (Alias) Red Star Pike Crab, Child Crab
5, Stone Crab: (Alias) Fossilized Crab, Dolichocephalus Crab, Ling Shi crab, stone crab
6, king crab: (alias) Alaska king crab, Echizen crab, cod field crab, Kamchatka anemone crab, king crab
7, bread crabs: (alias) monk crab
Hint:
These above crabs are common. They can be found everywhere in markets and supermarkets.
The ocean world is incomparably large, in fact, there are many kinds of crabs in the deep sea. It is just that those islanders have never seen them, so I will share them with you when I see them someday.