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

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 ...

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.