Gymnodoris okinawae (Baba, 1936)
Uncommon to rare in the Solitary Islands Marine Park. Recorded from Japan, in Australia from Lord Howe Island and the Great Barrier Reef.
Found on sea grass and rocky reef to about 15m depth. A voracious predator of other opisthobranchs.
Many colour variations exist. The transparent body has an overlay of fine orange spots in both examples shown. Grows to 40mm.