ARROWHEAD CRABS / STENORINCHUS SETICORNIS
The body is triangular, and the rostrum is drawn out into a long point with serrate edges. The legs are also long and thin, up to 3.5 inches across, and the animal’s carapace may be up to 2.4 inches 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.