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 ...

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, ...

This National Sea Slug Day, celebrate the addition of 17 new species of nudibranch to the tree of life. Adorned in lavish patterns and colors that range from yellow polka dots to shades of mauve and ...

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 ...

Researchers studying a colorful group of sea slugs (also called nudibranchs) found along the California coast have named a new species in honor of Gary McDonald, a long-time staff member at UCSC’s ...

California Academy of Sciences biologist Dr. Terry Gosliner discovered this new species of nudibranch during the museum's 2011 Philippine Biodiversity Expedition. This brightly colored mollusk doesn’t ...

Guest Post: This past winter my good friend and excellent nature photographer Michael Ready and I were out exploring the Rocky Intertidal zone at Cabrillo National Monument in San Diego, Ca. While ...

Nudibranchs that feed on cnidarians must defend themselves from the prey's nematocysts or risk their own injury or death. While a nudibranch's mucus has been thought to protect the animal from ...