Chromodoris michaeli
Gosliner & Behrens, 1998

Suborder: DORIDINA
Family: Chromodorididae


Philippine Ids.


BEPPH110 - Apo Island, Negros, Philippines, 1 APR 1983, 5cm. BEPPH77 - Dumaguete, Negros, Philippines, 30 MAR 1983. Photos: Bernard Picton.

Background colour of the mantle appear light blue from a fine dusting of white over a translucent bluish-brown ground colour. There is a fine white line at the mantle margin and a broad orange band just in from the edge, which is described as 'uninterrupted' by Gosliner & Behrens but may be broken (see message below). There is a broad black band encircling the mantle just outside the gills andf the rhinophores. This can be broken anteriorly and posteriorly. There are also a few scattered black spots in the midline. In the original description the gills and rhinophores are described as translucent orange. The foot is bluish with an orange border and two or three black lines. The two photos here, and further photos in Bernard Picton's message below suggest this species is more variable in colour than initially thought. If all the photos are the same species then the orange border can be entire or broken and the gills can be translucent orange, can have an orange band up the outside edge, can be translucent white with no orange, or can be orange in the upper half.

It is similar in colour to C. dianae and other species of the C. quadricolor colour group. Like C. annae and C. westraliensis the blue region of the mantle has the punctate pattern which Gosliner & Behrens describe as 'a fine speckling of white'.

• Gosliner, T.M. & Behrens, D.W. (1998) Five new species of Chromodoris (Mollusca: Nudibranchia: Chromodorididae) from the tropical Indo-West Pacific. Proceedings of the California Academy of Sciences, 50: 139-165.

Authorship details
Rudman, W.B., 2001 (June 21) Chromodoris michaeli Gosliner & Behrens, 1998. [In] Sea Slug Forum. Australian Museum, Sydney. Available from

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  3. Re: Chromodoris michaeli? from the Philippines
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