More Risbecia ghardaqana from Thailand?

February 5, 2008
From: K. Kalani Patterson

Concerning message #7195:

I believe I have found more Risbecia ghardaqana in Thailand. This pair was spotted at Koh Doc Mai, as island off Phuket, as well.

Locality: Koh Doc Mai, 60 feet, Phuket, Thailand, Andaman Sea, 21 January 2008, Wall. Length: 3 inches. Photographer: K. Kalani Patterson.

K. Kalani Patterson

kalani@kalani.net

Patterson, K.K., 2008 (Feb 5) More Risbecia ghardaqana from Thailand?. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/21356

Dear Kalani,

Have a look at Greg Brown's recent message [#20912] which has the most convincing photos of 'true' R. ghardaqana that I have seen. I am afraid your animals with purple smudges on the mantle, a large number of moving gills, and the front the mantle expanded into a wide flap are all characters of R. pulchella and absent in R. ghardaqana. Unfortunately some of the photos on the Forum are difficult to identify to either of these species but hopefully I now have most of the messages concerning then under the right species name. Now that we have Greg's photos as a standard, I am much more confident in saying that your animal is R. pulchella.

It's nice to see them doing their normal  'trailing' behaviour.

Best wishes,
Bill Rudman

Rudman, W.B., 2008 (Feb 5). Comment on More Risbecia ghardaqana from Thailand? by K. Kalani Patterson. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/21356

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