[4] They also have raptorial dactyles, specialized forelimbs that are pigmented green and red, and antennal scales that are yellow.

[4] Gonodactylus smithii are aggressive benthic marine predators that exhibit highly specialized color vision.

[4] Gonodactylus smithii are found in tropical littoral zones in the Indo-Pacific Ocean, and widespread in Australia, India, and eastern Africa.

[4] Gonodactylus smithii are generally carnivorous, specifically preying on fish, molluscs, non-insect arthropods, crustaceans, bivalves, and gastropods.

[5] Offensive actions include pushing the telson into the domicile of the resident, grasping the body of another using maxillipeds, and using dactyls to pierce through another.

[5] Defensive actions include simply avoiding, and bending the abdomen so that it brings the telson underneath and up to the front.

[3] The study of the eye structure of Gonodactylus smithii can generate more information on digital and visual storage capacity.

[4] The cavities that they create are left behind for other organisms to dwell in, and some host parasites, though this has led to the contracting of diseases in their shells.