colonial hydroid

“Minature aeolis” (Tenellia adspersa)

Also sometimes known as the “lagoon sea slug”, the miniature aeolis is a small species of Tergipedid nudibranch, which is distrusted from the Northeastern Atlantic to the Mediterranean Sea, and Caspian Sea. Miniature aeolis are known to inhabit coastal intertidal and sublittoral zones, and feed mainly on hydroid colonies. 

Classification

Animalia-Mollusca-Gastropoda-Heterobranchia-Euthyneura-Nudipleura-Nudipleura-Nudibranchia-Dexiarchia-Cladobranchia-Aeolidida-Fionoidea-Tergipedidae-Tenellia-T. adspersa

Image: USGS