Some species of nudibranch ... 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 ...

While the opalescent nudibranch is a type of “sea slug,” it is also a brilliantly beautiful and vibrant creature. The colourful species each have flowing projections on their backs that ...

A rare sea slug has been spotted off the coast of the ... "We were extremely excited to hear about the sighting of this colourful nudibranch - a species that we believe has never been recorded ...