Chromodoris elisabethina (Bergh, 1877)

Distribution: 

Uncommon in the Solitary Islands Marine Park. Found in the tropical Indo-Pacific and South Pacific, on the east coast of Australia from the Great Barrier Reef and southern Queensland, Lord Howe Island.

Ecological Notes: 

Found on rocky reef, known to feed on Dysidea sp. sponge. Depth to at least 20 m. 

Additional Notes: 

Bluish back with longitudinal black lines, wide yellow mantle edging with submarginal white border, orange gills and rhinophores. Grows to at least 70 mm.

References: 

Gary Cobb, David Mullins, Nudibranchs Encyclopedia, 2nd Edition, 2015. Publishers Thomas Slone, Masalai Press and Tim Hochgrebe, Underwater Australasia. p.118.