Why it's awesome: These tiny marine creatures are probably better known by their nickname, "Shaun the Sheep" sea slugs, because of their uncanny resemblance to the iconic TV character. The adorable ...

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 ...

In the vast and colorful—and sometimes terrifying—world of marine life, few creatures are as captivating as the Costasiella kuroshimae. Affectionately known as the "leaf sheep" or the "Shaun-the-sheep ...

Quick Take Eastern Emerald Elysia rely on the algae Vaucheria litorea to complete its development. The sea slug retains ...