minus tide, Inside a deep crevasse in the rocks.
This one was orange...
Dive site Tent Reef, max depth 26.5m / 87ft.
Dive site Tent Wall, max depth 20.7 m/ 68 ft.
Stalked tunicate. I'd seen this one on the prior trip. The tide was far enough out to get a shot. Remembered them from diving.
Ascidiacea (commonly known as the ascidians or sea squirts) is a class in the Tunicata subphylum of sac-like marine invertebrate filter feeders. Ascidians are characterized by a tough outer "tunic" made of the polysaccharide tunicin, as compared to other tunicates which are less rigid.