Scientists have made a discovery in the depths of the Pacific Ocean, unveiling a mysterious glowing sea slug that has baffled ...

This transparent sea slug has a bright red stomach that looks like a raspberry. It captures tiny, fast-swimming shrimp and other prey with a cavernous hood. When threatened, it can emit ...

Marine scientists have identified and named a mysterious creature of the deep sea after studying the elusive sea slug for twenty years.

Although the apple-size species, named Bathydevius caudactylus, is classified as a sea slug, the marine animal is unlike any sea slug Monterey Bay Aquarium Research Institute scientists have seen ...

One side of the nudibranch — known colloquially as a sea slug — is a “voluminous hooded structure at one end” with a “tail fringed with numerous finger-like projections at the other ...

A "remarkable" new sea slug nicknamed the “mystery mollusk” has been discovered swimming deep in the ocean's "midnight" zone.

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 ...