About Onchidella nigricans (Quoy & Gaimard, 1832)
Onchidella nigricans is a species of small, air-breathing sea slug. It is a shell-less marine pulmonate gastropod mollusc that belongs to the family Onchidiidae. This species is found in New Zealand and along the common coast of south-eastern Australia. It lives in the intertidal zone across a variety of different habitats.