Fiddler crab : Uca pugnax


Kingdom : Animalia
   Phylum : Arthropoda
          Class : Malacostraca
               Order : Decapoda
                    Family : Ocypodidae
                         Genus : Uca
                              Species : pugnax

Description:

Adult male fiddler crabs have one large front claw and one small one, while females and young fiddlers have two small claws. The large claw looks a bit like a fiddle.
Fiddler crab, Male, Photo by David Byres The male fiddler crab waves this claw to attract femalesand to mark his territory.

The small claw is needed for gathering food. Females have two small feeding claws.

Fiddlers usually live in large groups, which helps them to spot predators more easily.



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