Rostanga australis (Rudman & Avern, 1989)

Images taken at Bare Island, NSW, Australia

The mantle is translucent white with a number of brown pigmentation scattered around the body. Around the mantle near the edges are spherical pale orange-yellow glands. It has caryophyllidia that are pale orange-yellow with white specks on the tips.

The rhinophores stalks are translucent and the club are translucent brown with white tips of the lamella. The terminal knob is brown. The gills are translucent white and may also contain brown spots. They are arranged in

They feed on sponges.