Sea slugs use bold, bright colors under sunlight to warn predators of their toxic traits. These colors are easier for fish to ...

Hypnotizing footage reveals a never-before-seen swimming sea slug that eats using a large jelly-like hood and glows to defend itself from predators. Living at depths of between 3,300 and 13,100 ...

Usually, sea slugs use their rough tongues to scrape food ... allowing researchers to see how these and other luminescent ...