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

In 2000, scientists spotted a bioluminescent mollusk in the deep sea. The animal was so unique that they had no idea what it was until they did genetic testing. It turned out to be a new species of ...

Zoologists have discovered a new species of sea slug living in eastern India and have named it after the country’s president. Researchers from the Zoological Survey of India (ZSI) found the slug along ...

When we think of slugs, we often picture slimy brown garden creatures. Under the sea, however, you can find slugs so colorful and unique they seem to have been transplanted from another planet ...

By Liz Kimbrough A transparent goby fish drifted through the darkness, its skeleton visible through paper-thin skin. Nearby, ...

It might look like something you'd find in an alien salad, but this bizarre sea slug can actually steal body parts from other organisms and use their powers for itself. "This is an organism that can ...

Researchers have discovered a new species of glowing sea slug deep in the ocean’s midnight zone. Monterey Bay Aquarium Research Institute (MBARI) scientists said in a press release on Tuesday that ...

This sexy slug knows how to move it. An underwater photographer managed to capture a sea slug “dancing” in the water, but the image quickly went viral after being compared to something a little more X ...

For the vast majority of animals on this planet, losing their head would be a near-instant death sentence. Creatures that have distinct heads typically use them to house a brain and other extremely ...

Heads up: There’s always room for growth. Japanese sea slugs will no doubt become the envy of superhero fans — and perhaps certain 1700s French nobles — after showcasing a bizarre penchant for ...

It turns out getting beheaded doesn’t mean automatic death for every animal. Researchers discovered that two species of sea slugs, Elysia cf. marginata and Elysia atroviridis, can regrow their body ...