California researchers this week announced that it is a new species of sea slug. The Monterey Bay Aquarium Research Institute posted video online of the new sea slug floating gently in the depths.

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 ...

Though reminiscent of a discarded clump of salad greens, this is actually a lettuce sea slug. I spotted it 20 meters below the surface on a coral reef off Playa Kalki, an idyllic beach on the ...

For many reasons the hobby isn't ready for them yet, says Nathan Hill. Part nudist, part foot, part stomach. That’s what it is to be a nudibranch. Some of these casually termed sea slugs are brightly ...

Researchers from the Monterey Bay Aquarium Research Institute (MBARI) in California have announced a new species of sea slug. The creature, which was first spotted more than two decades ago ...