Spanish Dancer Nudibranch
This nudibranch (Hexabranchus sanguineus) was about half a meter long. I've seen them bigger, though. They're commonly known as "Spanish Dancer" because of the flamenco-like movement they do when they swim.
This nudibranch (Hexabranchus sanguineus) was about half a meter long. I've seen them bigger, though. They're commonly known as "Spanish Dancer" because of the flamenco-like movement they do when they swim.