Costasiella kuroshimae (also known as a leaf slug, sea sheep, or leaf sheep) is a species of sacoglossan sea slug. Costasiella kuroshimae are shell-less marine opisthobranch gastropod mollusks in the family Costasiellidae. Despite being animals, they indirectly perform photosynthesis, via kleptoplasty.
.jpg/500px-Costasiella_sp_(19797152176).jpg)
