The leaf sheep is an adorable sea creature that looks like part sheep, part fairy tale. Despite the name (in case you were fooled), leaf sheep are actually sacoglossan sea slugs - tiny marine mollusks ...

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 ...