Common in the Solitary Islands Marine Park. Recorded from the tropical waters of the Indo-Pacific region, including the islands of Hawaii and the Galapagos, and East and South Africa.
In the Solitary Islands Marine Park it is found in colonies of the cup coral Tubastrea sp. on which it feeds.
Specimen pictured has proboscis extended and is feeding on a Tubastraea faulkneri coral polyp. The snail has recently deposited an egg mass amongst the coral colony (yellow eggs lower left of image). Grows to about 15 mm in length.
Helmet Debelius, Nudibranchs and Sea Snails, Indo-Pacific Field Guide, IKAN – Unterwasserarchiv, Germany, 1996. pp.72-3.