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 ...

Deep-sea researchers have discovered a strange glowing sea slug off the coast of California that lives in the water column — unlike most other species of its kind.

Sea slugs, or nudibranchs, are fascinating hermaphrodites, possessing both male and female reproductive organs. Their ability to regenerate, photosynthesize, and absorb CO2 plays a crucial role in ...

Sea slugs don’t shy away from the fish, crabs, sea turtles, or even other sea slugs that might want to take a bite out of them. Instead, the brightest and most patterned sea slugs are more ...