n Any of genera Acanthostracion and Lactoria, of the boxfish family Ostraciidae.

n The grampus, Grampus griseus, Risso's dolphin.

n A common bottlenose dolphin of California, Tursiops truncatus gillii.

n A marine plectognath fish, Acanthostracion quadricornis and allied species, having two projections, like horns, in front.

n A common galaxias (Galaxias maculatus)