The Bailey-Matthews National Shell Museum's new exhibit, "Brilliant Colors of the Sea," features photographs of nudibranchs. Nudibranchs are shell-less marine mollusks known for their vibrant colors ...

At the end of the semester in the advanced invertebrate zoology course I took, my rather dry, boring professor made the only joke I remember him ever uttering. We had just finished the phylum ...

Nudibranchs are snails without shells. The common name of these animals is sea slugs. Hawaii hosts about a thousand nudibranchs, some species still unnamed. The excellent website “Sea Slugs of Hawaii, ...

The summer months bring low morning tides along the California coast, providing an opportunity to see one of the state’s most unusual inhabitants, sea slugs. Also called nudibranchs, many of these ...

Beachgoers in La Jolla, California were surprised to see a Spanish shawl nudibranch, a vibrant sea slug with purple and ...

One of the most striking creatures now appearing in your neighborhood tidepool is the purple fan nudibranch, a shell-less snail that comes in circus colors, can perform what sounds like a magic trick ...

From an ecological perspective, our oceans are as special as our land. Seawater makes up more than 70% of the Earth’s surface. Oceans teem with an enormous variety of animal groups poorly known to ...

I never really understood the motivation behind geocaching, the recreational activity in which hobbyists locate hidden treasures using GPS. It seemed like a lot of effort for a tiny reward. Then I ...

This week I am looking small at some of the slimiest animals in the Gulf of Maine, nudibranchs. A pretty name for an animal that is basically a slug. You heard me, nudibranchs are snails without a ...

Nudibranchs are shell-less-molluscs. Mostly carnivorous, they come in a variety of colors and forms. Many of them have ‘cerata’ on their backs; these are horn-like, sometimes branched, protrusions ...