Carapace with hepatic area greatly expanded. Ischium of outer maxillipeds and palp each with a longitudinal groove. Mature male with large cheliped; merus and carpus with 3 or 4 longitudinal sharp ridges; palm large and swollen.
SizeCarapace: male 53 x 34 mm, female 35 x 28 mm.
ColourCarapace, chelipeds and walking legs may be blue, brownish-green, kelp brown, red, pink, orange or opaque white in various combinations. Abdomen usually brown with 6th segment and telson white. Fingers dark grey or blue with orange tips and teeth.