Photos of Costasiella kuroshimae, a.k.a. the “leaf sheep” sea slug, have recently gone viral on Twitter again, and for good reason. The leaf sheep doesn’t just have an absurdly cute name, it ...

If you’re ever diving off the coast of the Philippines and have a keen eye, you might be lucky enough to spot something that looks remarkably like an underwater Pokémon character: the Costasiella ...

Some Sea Slugs Grow New Bodies After Heads Are Cut Off Scientists think the slugs' ability has something to do with another odd trait: They can briefly photosynthesize like a plant, getting energy ...

Five women scientists from Germany, Indonesia, and Wales have discovered two new species of wart sea slugs from North ...

The study, led by biologists at Harvard University, found that the slugs build sac-like structures known as kleptosomes out of their own cells in which the chloroplasts are stashed. The kleptosomes ...

TOKYO — Scientists have discovered the ultimate case of regeneration: Some decapitated sea slugs can regrow hearts and whole new bodies. This "wonder of nature," reported in a biology journal on ...

Certain sea slugs consume algae and sequester their chloroplasts within specialized membranes called kleptosomes, allowing continued photosynthesis and nutrient production inside the slug.

This robot fish is "as silent as a spy" — and could help researchers learn even more about the ocean 01:05. A new species of sea slug has been discovered off the waters of the U.K. Researchers ...

These cute sea slugs have bodies covered in seven rows of leafy green, horn-like projections called cerata. These cerata, which resemble iridescent aloe vera plants, function like gills and help ...