Glossodoris rufomarginata from Malaysia

June 22, 2004
From: Paul Tan

Is this a Glossodoris rufomarginata? The photo was taken at the tip of Captain's Point in Pulau Dayang.
Paul Tan

Tan, P., 2004 (Jun 22) Glossodoris rufomarginata from Malaysia. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from

Dear Paul,
Yes this is Glossodoris rufomarginata. I hope you don't mind me using your message as an example of the type of message I will not be able to accept in future.

I am happy to answer simple identification queries on the Forum - even relatively common species such as G. rufomarginata - because the photos are helping us to build an invaluable record of where these animals live, their colour variation, and when we are very lucky, new information on their biology. But to make it worthwhile I need some reliable locality information to accompany each photo, and a date. In the past, I would have sent you a message asking for more locality details and a date, but keeping track of messages and replies is very time-consuming and cuts down on the time I have available to answer questions etc. With a backlog of almost 1000 messages I need help from contributors to make my job as easy as possible.

We are designing a new 'send message' form which will have boxes for all the essential data I require. As much as I regret it, future messages that don't have the essential information will not be answered. For example, I know that Pulau Dayang is in Malaysia, but without checking I don't know if it is on the west or east coast etc, etc. And since I get messages from all around the world I need sufficient information accompanying the message so that I and other visitors to the Forum don't need an Atlas to make sense of every message.

Best wishes
Bill Rudman

Rudman, W.B., 2004 (Jun 22). Comment on Glossodoris rufomarginata from Malaysia by Paul Tan. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from

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