Okenia cf. mellita (Rudman, 2004)

Distribution: 

Uncommon in the Solitary Islands Marine Park. Only reported from eastern Australian waters.

Ecological Notes: 

Found on rocky reef down to a depth of 25m. Feeds on bryozoans.

Additional Notes: 

The background colour of the body is orange. The mantle papillae are all tipped with black and there is a black tip on the oral tentacles, and a black spot on the posterior tip of the foot. An opaque white line runs down the dorsal midline from between the rhinophores to the base of the medio-dorsal papilla just in front of the gills. Grows to 40 mm.

References: 

Gary Cobb, David Mullins, Nudibranchs Encyclopedia, 2nd Edition, 2015. Publishers Thomas Slone, Masalai Press and Tim Hochgrebe, Underwater Australasia. p.237.

Australian Museum, Sea Slug Forum. http://www.seaslugforum.net/find/11872. Accessed 08/09/2018.