Eventually, researchers caught several “transparent” nudibranchs, or sea slugs, that didn’t look like anything they’d seen ...

“The sea slug Elysia chlorotica is a small, unassuming creature that performs a remarkable feat: It eats algae and steals its ...

At first glance, the lettuce sea slug (Elysia crispata) looks like a leafy underwater alien. But what’s hiding inside its frilly green body is far more fascinating than its salad-like appearance ...

Even beyond sea slugs, the Elysia chlorotica is the first animal thus far known to photosynthesize. The Elysia chlorotica appears to be half plant, half animal, and researchers are dying to know more.

The Leaf Sheep Sea Slugs Performs Photosynthesis The leaf sheep is such a precious sea slug. What you’re looking at in the photos is the leaf sheep’s eyes and mouth, as well as its cerata.

Known for its uncanny resemblance to the TV character Shaun the Sheep, this adorable sea slug munches on algae to steal its ability to photosynthesize and become solar-powered.

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 ...

Sea Slug Animation Festival kicks off with 'Miisufy,' a Tamagotchi-inspired short, and 'Boys Go to Jupiter,' starring Julio Torres, Cole Escola, and Sarah Sherman.

Known for its uncanny resemblance to the TV character Shaun the Sheep, this adorable sea slug munches on algae to steal its ability to photosynthesize and become solar-powered.

This photo magnifies a mating pair of the sea slugs Siphopteron makisig. The marine gastropod actually is less than a quarter inch long, with yellow and red markings on its translucent white exterior.