coenobita rugosus, also called hermit crab, peeping from shell, to observe surroundings through its antennae.

also animal antennae antennal antennular antennule beach beached biology called close closeup coenobita compressus crab creature crustacea crustacean crustaceans cute eye eyestalks family fauna flagellum hermit island its land legs life macro marine mollusc name nature observe paguroidea peeping perlatus pincer pronounced rostrum rugosus sand scientific sea segmented shell small stalks striations surroundings trivially tropical wildlife zoology