* Eubranchus sp. Figure 20G

Material examined.

One specimen 7 mm, HF.

Ecology.

From an artificial reef structure at a reef restoration site in coral reef habitats. Depth 8-11 m.

Distribution.

Eubranchus sp. 2 (Gosliner et al. 2008) is known from Indonesia only. A similar species was also documented in India (Bhave and Apte 2011: fig. 13). Here representing a first record for Thai waters.

Remarks.

The present species bears numerous dark brown to black spots throughout its body with bulbous transparent cerata with the digestive gland clearly visible. The dorsal colour and that of ceratal tips is a pale yellow-brown. The rhinophores, oral tentacles, and head are colourless with numerous small white patches spread throughout.