Ascidian

Microcosmus exasperatus

Ascidian

A leathery, knobbly sac that filters seawater through two siphons, this sea squirt fastens to mangrove roots, pier pilings and ship hulls in warm shallow seas. It lives alone and is a strong traveller, likely having crossed into the Mediterranean through the Suez Canal.

Taxonomy: Animalia › Chordata › Ascidiacea › Stolidobranchia › Pyuridae › Microcosmus

Species data via the World Register of Marine Species (WoRMS), AphiaID 103838.

FAQ

How deep does the Ascidian live?
The Ascidian (Microcosmus exasperatus) is typically found at 0–17 m.
How big does the Ascidian get?
The Ascidian grows to about 5.5 cm.