The carapace of this species is flat and square-shaped, with a smooth surface and a straight front. The anterolateral margins exhibit three broad, low, but sharp teeth each. The middle of the carapace forms an H-shape. The chelipeds are symmetrical, and the inner border of the arm is denticulated. The inner angle of the wrist bears a large sharp spine, while the inner surface of the palm is granular. In males, the palm lacks a patch of hairs at the finger cleft. The propodus and dactylus are extended and fringed with hairs at the posterior margin, and the legs have three terminal articles that are compressed, dilated, and plumed. In terms of coloration, the carapace displays a mottled pattern of black and brown, while the entire body is brown with numerous blackish spots. The size of the carapace is reported to be 35mm in length and 38mm in width.