Nudibranchs are gastropod mollusks, like mussels, clams and scallops. Some are strikingly beautiful.

The nudibranch is a carnivorous mollusk that can appear strikingly beautiful or drab. There are 3,000-plus types of nudibranchs in the ocean.

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 ...

Nudibranchs are soft-bodied sea slugs that are sometimes called "butterflies of the sea" for their colorful appearances.

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 ...

One of the weirdest sea slugs known to science has been discovered at a staggering depth, swimming around right down in the Midnight Zone between 1,013 to 4,009 meters (3,323 to 13,153 feet). As ...

All over our world’s oceans, the many astoundingly colored species of nudibranch are eating things like the vicious Portuguese man o' war, incorporating their stingers or toxins into their own ...

Twitter's science community has a nerdy, mollusk-shaped answer to National Send a Nude Day: National Send a Nudibranch Day.

Look at the nudibranch. Beautiful, right? That's its way of saying it will mess you up. You see, the nudibranch packs a punch–in a very unusual way ...

The competition's winner, Patrick Dwyer of NSW, reasoned that the nudibranch should be named after the fly-in fly-out workers of north-west WA, where the creature was discovered.

The nudibranch is a carnivorous mollusk that can appear strikingly beautiful or drab. There are 3,000-plus types of nudibranchs in the ocean.