World's Best Nudibranchs | Sport Diver

World's Best Nudibranchs

Phyllodesmium longicirrum


Phyllidia Ocellata


Chromodoris Annae

Christian Loader/Scubazoo

Glaucus atlanticus and G. marginatus

Gary Cobb

You can call them Nudibranchs, because it’s easier to pronounce than Opisthobranch Molluscs. These soft-bodied sea slugs can be found clinging to coral in almost all water conditions.

There are more than 3,000 known nudibranch species that come in a variety of shapes, sizes and colors.

Want to see more of the ocean's most interesting sea creatures? Visit:

Species: 8 Amazing Facts About the Manta Ray

Species: The Squid

Species: 7 Parrotfish Facts