Cunjevoi can be distinguished from other pyura spp. by its hard tunic, a flat upper surface surrounded by a ridge, and two siphons that lie close together and project slightly above the flat surface. Anglers fishing from rock platforms often use Cunjevoi's orange coloured organs as bait.
Grow to a maximum height of 30 cm.
Inhabits intertidal areas from Shark Bay in Western Australia, around the southern coast (including Tasmania) to Noosa Heads in Queensland. Cunjevoi forms large mats, covering rock platforms and wharf pylons, to a depth of approximately 12 m.