Goniobranchus preciosus (Kelaart, 1858)

Material examined.

None found presently.

Ecology.

Soft sediment habitats outside the coral reef. Depth 18-22 m.

Distribution.

Across the Indo-Pacific including Indonesia (Scott 2005), Malaysia, the Philippines, Papua New Guinea, Australia, New Caledonia. Recorded from Andaman and Gulf waters of Thailand (Chavanich et al. 2013).

Remarks.

The species has historically been recorded from Koh Tao (Mehrotra and Scott 2016) based on a citizen science effort, but no material has been found in surveys to date.