Description
English: Crab (Pachygrapsus marmoratus) on Adriatic Sea coastline.
Date 17 July 2015, 18:05:12
Source Own work
Author Petar Milošević https://commons.wikimedia.org/wiki/User:PetarM
Source: https://commons.wikimedia.org/wiki/File:Crab_(Pachygrapsus_marmoratus).jpg

Pachygrapsus marmoratus is a species of crab, sometimes called the marbled rock crab or marbled crab, which lives in the Black Sea, the Mediterranean Sea and parts of the Atlantic Ocean. It is dark violet brown, with yellow marbling, and with a body up to 36 millimetres long. It is an omnivore, feeding on algae and various animals including mussels and limpets. Order: Decapoda, Infraorder: Brachyura, Family: Grapsidae, Genus: Pachygrapsus, Species: Pachygrapsus marmoratus (Fabricius, 1787).
Synonyms:
Cancer marmoratus Fabricius, 1787
Cancer femoralis Olivier, 1791
Grapsus varius Latreille, 1803
Grapsus savignyi De Haan, 1835