…is a species of Dironid nudibranch, which is known to occur throughout the Eastern Pacific Ocean, ranging from Alaska to the area surrounding San Diego, California. Like many other nudibranch species, Dirona albolineata is predatory, feeding on a range of small crustaceans and other gastropods. However they are also known to be fairly fond of bryozoans as well, like other members of the genus Dirona.
Image: Daniel Hershman
Wow! What an amazing looking thing…