* Ceratosoma tenue Abraham, 1876 Figure 9D

Material examined.

One specimen 85 mm, AM.

Ecology.

Soft sediment habitat. Depth 26 m.

Distribution.

Widespread throughout the Indo-Pacific including Japan (Baba 1949), Indonesia (Yonow 2001), South Africa, Mozambique, Malaysia, Australia, New Caledonia, Hawaii (Gosliner et al. 2008), and the Red Sea (Yonow 2008). Here representing a first record for Thai waters.