Re: Halgerda batangas? from Sulawesi

October 5, 2001
From: Shireen Fahey

Hi Bill,
I just saw the 20 Sept. message from Mary Jane re: Halgerda batangas. It certainly has all the features of H. batangas: a white circle under the red-orange capped tubercles, orange network between the tubercles, dark spots on the gill and rhinophores and no dark posterior line on the rhinophores. Halgerda malesso would have had two or more fine orange lines along the mantle margin.
For those interested in the genus Halgerda, I have two new publications out that have comparisons between these two species and others. Check out The Bollettino Malacologico, 37(5-8): 55-76 and Zoologica Scripta, 30(3): 199-213. The editors did a great job on the colored photos.
All the best Bill,
Shireen

sfahey@mailbox.uq.edu.au

Fahey, S., 2001 (Oct 5) Re: Halgerda batangas? from Sulawesi. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/5384

Thanks Shireen,
I should have made it clearer in my remarks on Mary Jane's messagethat I didn't think her animal was either H. malesso or H. batangas as I couldn't see any indication of a reticulate pattern of orange - only the orange lines on the tubercles. Perhaps it is like Mary Jane's earlier photos from the Solomons, where the reticulation is only present on the outer part of the mantle skirt whcih is not visible in this dorsal view.
Best wishes,
Bill Rudman

Rudman, W.B., 2001 (Oct 5). Comment on Re: Halgerda batangas? from Sulawesi by Shireen Fahey. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/5384

Factsheet

Halgerda batangas

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