Carapace broader than long and subpentagonal; all surfaces covered with minute spiny granules, stout club-shaped setae, and/or longer bristles on all margins and pereiopods; divided into 4 teeth; lateral margin with large triangular teeth, spined on anterior margin. Chelipeds short and spiny, with right larger than left and with more and larger teeth on cutting surfaces. Walking legs compressed laterally and 1st and 4th slightly shorter than others.
SizeCarapace: male 83.5 x 97 mm, female 83 x 102 mm.
ColourCarapace yellow with brownish or greenish area; lateral margins scarlet and depressions light coloured. Chelipeds yellow with scarlet streaks and spots; fingers dark brown with a bright yellow spot; teeth grey. Walking legs yellow and brown with dark and light brown setae. Eyestalk greenish brown; cornea black.