This rubbery mass hardly looks like an animal at all, and is the biggest intertidal tunicate.
Our most visible tunicate.
The hairy stalked tunicate hangs from the underside of shadowed boulders.
A bright orange colonial tunicate.
San Diego County, California, US
On the shell of a Green Abalone.
Washed up on coastal rocks
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.