Percnon planissimum Herbst 1804
flat rock crab, sally lightfoot crab, sally longlegs
Percnon planissimum,  flat rock crab,  sally lightfoot crab

Family Grapsidae - shore crabs

The sally lightfoot crab, Percnon planissimum, has a very flat body, long legs and conspicous red eyes. Males have larger claws than females. Percnon planissimum is omnivorous.

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