lady crab

noun2

1. •
   Any of various crabs known for their elegant appearance or colouring.

   • I used to catch lady-crabs in the pools and under the rocks. I don't know why they are called lady-crabs. They are male and female like all the other creatures in the world. — 1974
2. •
   Ovalipes ocellatus (leopard crab, calico crab, ocellated crab)