Nudibranchs are sea slugs. They are soft-bodied animals, and like clams, snails and squid, they are mollusks. Nudibranchs belong to phylum Mollusca, class Gastropoda, order Nudibranchia.

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 ...

Rather than hiding from predators, the brightest and most patterned sea slugs are active during the day so their colors shine, a University of Queensland study has found. Researchers from UQ's ...

Terms of Service and Privacy Policy. Sea slugs don’t shy away from the fish, crabs, sea turtles, or even other sea slugs that might want to take a bite out of them ...