It may be the most adorable sea creature ever—and seeing one face-to-face has been on the bucket list for a Japanese diver ...

"Shaun the Sheep" sea slugs, because of their uncanny resemblance to the iconic TV character. The adorable critters have white faces, small black eyes and two "ears." These structures are special ...

Related: Blue dragon: The deadly sea slug that steals venom from its prey A volcanic eruption 17 million years ago created this high-altitude area, where these colorful slugs have remained ...

but they are actually a type of sea slug. These one-centimetre-long creatures belong to a group known as the dorid nudibranchs. In the video below, Museum scientist Dr Suzanne Williams explains how ...