The sea sheep (scientific name: Costasiella kuroshimae), also widely known as the leaf sheep or leaf

Added: 2026-05-16

[00:00:00]The sea sheep scientific name, Costasiella kuroshimae, also widely known as the leaf sheep or leaf slug, is a minuscule species of sacoglossan sea slug celebrated for its uncanny resemblance to a cartoon land lamb.

[00:00:13]Discovered in 1993 near the Japanese island of Kuroshima, these marine invertebrates grow to a maximum length of only 5 to 10 mm.