This crab is sometimes mistaken for the more common " Atelecyclus undecimdentatus ".
2.
"Atelecyclus undecimdentatus " is often very dirty which can alter its appearance.
3.
This crab is sometimes mistaken for the more common " Atelecyclus rotundatus ".
4.
However, " Atelecyclus undecimdentatus " can be distinguished by its wider carapace and coarser granulations.
5.
However, " Atelecyclus rotundatus " can be distinguished by its finer granulations and narrower carapace.
6.
""'Atelecyclus rotundatus " "'is a medium-sized crab found on the west coast of Europe and Africa as well as almost all the Mediterranean Sea and on the Cape Verde and Canary islands.