Onykia robsoni, the rugose hooked squid, is a species of squid in the family Onychoteuthidae.
It occurs in the Antarctic Ocean, at an estimated depth of 250–550 meters.
The mantle of this species grows to a length of 75 cm.
The species has been suggested as a junior synonym of Onykia carriboea, the tropical clubhook squid, due to similarities between the species.
This squid-related article is a stub.