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 ...

Across their 10,000 species, sea slugs sport striking colors, external gills, and even the ability to regrow a body from a severed head.

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 ...

More than two decades after spotting a mysterious, gelatinous, bioluminescent creature swimming in the deep sea, California researchers this week announced that it is a new species of sea slug.The ...

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

A lobster trap recovery program has been turning up some unique species in Long Island Sound, including a vibrant sea slug that's native to Europe. Doris-pseudoargus is a kind of nudibranch, more ...