Rarely sighted in the Solitary Islands Marine Park. Recorded from Japan, Hong Kong, New Caledonia and the Great Barrier Reef. On the east coast of Australia as far south as Port Stephens.
Found on rocky reef, probably feeds on bryozoans. Depth to 20 m.
Body colour is variable ranging from pale yellow-orange through to a deep red-orange. Has six well developed branched frontal papillae and there are four pairs of branched papillae down the body, each has translucent white stalks with scattered opaque white pigmentation, the pointed branches are bright orange or orange-red. There are scattered white specks on the body. Grows to 70 mm.
Gary Cobb, David Mullins, Nudibranchs Encyclopedia, 2nd Edition, 2015. Publishers Thomas Slone, Masalai Press and Tim Hochgrebe, Underwater Australasia. p.265.
Australian Museum, Sea Slug Forum. http://www.seaslugforum.net/find/kaloacut. Accessed 12/08/18.