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 ...

The name “sea hare” comes from the two tentacles on their heads that resemble a rabbit’s ears. Learn more about this marine mollusk.

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 ...

Quick Take Eastern Emerald Elysia rely on the algae Vaucheria litorea to complete its development. The sea slug retains chloroplasts from the algae in the cells of its digestive tract. Here, the ...