Glossodoris rufomarginata (Bergh, 1890)

Distribution: 

Rare in the Solitary Islands Marine Park. Known from the Indo-West Pacific region, north to Japan.

Ecological Notes: 

Found on rocky reef substrate, depth to at least 15 m. Thought to feed on sponges, including Spongia oceania

Additional Notes: 

A spectacular species with a brown mantle edged with white frilly margin. The margin is itself edged with yellow/brown. Grows to around 50 mm.

References: 

Gary Cobb, David Mullins, Nudibranchs Encyclopedia, 2nd Edition, 2015. Publishers Thomas Slone, Masalai Press and Tim Hochgrebe, Underwater Australasia. p.139.