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

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 ...

Sea slugs are one of the world’s most stunning, diverse, and adaptable animals. Not only are sea slugs beautiful to look at, but their methods of survival are unparalleled. While some marine species ...

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 ...

Some of the most bizarre lifeforms on Earth lurk in the deeper realms of the ocean. There was so little known about one of these creatures that it took 20 years just to figure out what exactly it was.

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 ...

Q. I enjoy learning about bizarre animals like the terrestrial one you recently wrote about called a hammerhead worm. With all the strange animals found on land, the oceans must be full of even more ...