The creature is also spectacularly bioluminescent with a vivid neon blue glow ... journal Deep Sea Research Part I. One side of the nudibranch — known colloquially as a sea slug — is a ...

This unique mouth shape is used to trap crustaceans, unlike other sea slugs that use a raspy tongue to feed on prey attached to the seafloor. It only glows a bioluminescent blue when it feels ...

The blue sea dragon, a type of venomous sea slug that lives in the open ocean, has recently been spotted at Cape Hatteras ...

Although the apple-size species, named Bathydevius caudactylus, is classified as a sea slug, the marine animal ... These are our neighbors that share our blue planet,” Robison said.

The Monterey Bay Aquarium Research Institute posted video online of the new sea slug floating gently in the depths. Using a remote vehicle, scientists with the institute first noticed what they ...