Dorid from Lembeh Strait, Indonesia

October 9, 2008
From: Heidi Hösel

Dear Prof. Rudman,

My husband and I found this nudibranch that we could not identify, (Sclerodoris, Aldisa?) during our holidy in N-Sulawesi, Lembeh strait,

Dorid A01/02, size ca. 3cm found during a night dive on 25August 2006, dive site: Jahir. characteristic are the brigthly orange rhinophores and the orange gills that are tipped with white. I assume having regard to the black sand on its surface that it is spending at least the day dug in the black sand

Locality: Jahir, Lembeh strait, North sulawesi, about 13 - 15m, Indonesia, Pacific, 25 August 2006, sandy bottom. Length: about 3cm. Photographer: Heidi Hösel.

Thank you in advance
Heidi Hösel

Hösel, H., 2008 (Oct 9) Dorid from Lembeh Strait, Indonesia. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from

Dear Heidi,

My best guess would be a species of Sclerodoris, and I suspect it is Sclerodoris tuberculata. Some of these well-camouflaged dorids, which appear to be mimicking sponges, are difficult to distinguish from one another even when you have them crawling in front of you, so you will realise that identifying from a photo can sometimes be risky.

Best wishes,
Bill Rudman

Rudman, W.B., 2008 (Oct 9). Comment on Dorid from Lembeh Strait, Indonesia by Heidi Hösel. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from

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