Grapsus adscensionis, Grapsidae, lightfoot crab, marine invertebrates, crustaceans, decapods, behavior, molting, exoskeleton, cuticle, ecdysis, exuvia, intertidal, Tenerife Island, Canary Islands, Spain, Atlantic Ocean.

Remarks: The crustaceans have an external skeleton (called exoskeleton or cuticle) which must be molted during the growth phases. This process is called ecdysis. Shown here is the discarded exoskeleton called molt or exuvia.

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