Selection: Cuthona sibogae

Cuthona sibogae (Bergh, 1905) [Hervia]

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Cuthona sibogae feeds on an orange-yellow hydroid of the genus Sertularella.
Pretty similar is Flabellina sp. A which has different rhinophores.
More informations on Cuthona sibogae are at Bill Rudman's Sea-Slug Forum!