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 also has ...

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 ...

We never thought we'd see this sports star transform into a sea slug. Leaf Sheep—which just so happens to be a real and very adorable aquatic animal—was revealed to be a NFL legend during The Masked ...

Discover the Costasiella kuroshimae, a tiny 'leaf sheep' sea slug found in Asian and Oceanian tropical waters. This miniature marvel, measuring only 8mm, possesses a unique ability to photosynthesize, ...