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 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 ...

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 ...

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 ...

Photo by Graeme Kruger on Flickr (CC) Gas Flame Nudibranch Castle Rock Dive, False Bay, Cape Town, South Africa. Bonisa nakaza About 350 million years ago during the Carboniferous, a group of snails ...