When we think of slugs, we often picture slimy brown garden creatures. Under the sea, however, you can find slugs so colorful and unique they seem to have been transplanted from another planet ...

Beaches in the town of Guardamar del Segura, in southeastern Spain, closed earlier this week after the discovery of two venomous sea slugs in the water, local authorities announced. Due to the ...

SOME SEA slugs are kleptomaniacs. Elysia crispata, a species of these marine molluscs found in the western Atlantic and the Caribbean, is among the most notorious. When the slugs eat algae, their ...

Today we’re spotlighting an underappreciated group of marine creatures: sea slugs. Don’t let their humble name fool you. They come in vivid neon colors, with patterns that rival the most beautiful ...