Arrow Crab (Stenorhynchus Seticornis)

August 23, 2012 by  

Arrow Crab (Stenorhynchus Seticornis), Stenorhynchus seticornis, the yellowline arrow crab or simply arrow crab, is a species of marine crab. The body of S. seticornis is triangular, and the rostrum is drawn out into a long point with serrate edges.

The legs are also long and thin, up to 10 cm (3.9 in) across, and the animal’s carapace may be up to 6 cm (2.4 in) long. Colouration is variable in this species; the body may be golden, yellow or cream, marked with brown, black or iridescent-blue lines; the legs are reddish or yellow, and the claws are blue or violet.

Stenorhynchus seticornis is found in the western Atlantic Ocean, from North Carolina and Bermuda to Brazil, including throughout the Caribbean Sea. It lives on coral reefs at depths of 10-30 feet (3.0-9.1 m).

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