Chromodoris nona

Chromodoris nona is a species of colourful sea slug, a dorid nudibranch, a marine gastropod mollusc in the family Chromodorididae.

Distribution
This marine species was described from a single specimen collected at 80 m depth at Amadaiba, Sagami Bay, Japan, 35.261°N, 139.563°W. It has been reported from Hong Kong and locations in Japan including Osezaki.

Description
Chromodoris nona is a translucent white chromodorid nudibranch with an opaque white edge to the mantle. There are conspicuous white glands embedded in the mantle margin. The rhinophores and the gills are yellow-orange in colour. The length of the body attains 25 mm.