Sakuraeolis nungunoides? from Singapore

April 16, 2005
From: Lim Han Peng

Hi Bill,
sorry to trouble you again.
Is this a colour variation of a Flabellina rubrolineata? I found it at Pulau Hantu, Singapore.

I don't know if I am taking up your precious time to read this mail. Are these findings of ours useful to your research. Actually we found a Glossodoris cincta on the same day too. Do let me know if you want to be informed of our findings.

Locality: Pulau Hantu, Singapore, South China Sea. Depth: 11 m. Length: 20 mm. 20 March 2005. Silt covered hydriod. Photographer: Lim Han Peng

Thanks in advance.

Lim, H.P., 2005 (Apr 16) Sakuraeolis nungunoides? from Singapore. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from

Dear hp,
The only way I can know if your finds are valuable is to see them. Over the years the Forum has been going, interested amateurs have sent photos and information which has greatly increased our knowledge of these animals worldwide. It is not an exaggeration to say that almost every day I am posting new information on some species or other. Some messages are just simple identifications, but most in one way or another are helping us to accumulate an amazing amount of new information which would otherwise be lost to science. As long as your messages include the information I ask for, I am more than happy to receive them.

This message is a good example. I am pretty sure this is a colour form of Sakuraeolis nungunoides, a species I described from East Africa in 1980. Messages on the Forum have increased its known distribution to Malaysia, eastern Australia and New Caledonia, and your photo helps give us information on possible colour varaibility. The orange tipped rhinophores and oral tentacles and orange mark on the head all seem to be characteristic. Of course I can't be 100% sure without a look at its internal anatomy, but that seems to be the most likely identification.
Best wishes,
Bill Rudman

Rudman, W.B., 2005 (Apr 16). Comment on Sakuraeolis nungunoides? from Singapore by Lim Han Peng. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from

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