Epidendrium billeeanum (DuShane and Bratcher, 1965)

Distribution: 

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.

Ecological Notes: 

In the Solitary Islands Marine Park it is found in colonies of the cup coral Tubastrea sp. on which it feeds.

Additional Notes: 

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.

References: 

Helmet Debelius, Nudibranchs and Sea Snails, Indo-Pacific Field Guide, IKAN – Unterwasserarchiv, Germany, 1996. pp.72-3.