Nudibranch, Shaun the Sheep, photographed underwater in Lembeh Strait

Meet ‘Shaun the Sheep’ Nudibranch: The Most Adorable Sea Slug

Small enough to fit on your fingernail, bright green like a cartoon salad, and sporting tiny “ears” that look like sheep horns, this sea slug is pure underwater joy. Meet Costasiella kuroshimae, affectionately known as the ‘Shaun the Sheep’ nudibranch. There’s something about it that makes you want to know more. What is it? Where does …

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