Feeding Hypselodoris purpureomaculosa from Philippines

August 1, 2007
From: Mike Krampf


Here is a picture of a Hypselodoris purpureomaculosa feeding that was taken in Anilao. I assume the skeleton of the sponge is the result of the feeding nudibranch.

Locality: Anilao area, 45 ft, Batangas, Philippines, South China Sea, 28 April 2007, Fringing reef. Length: 4 cm. Photographer: Mike Krampf.

Cheers,
Mike

mtkrampf@yahoo.com

Krampf, M., 2007 (Aug 1) Feeding Hypselodoris purpureomaculosa from Philippines. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/20367

Dear Mike,

Thanks for this. Yes the network of sponge fibres is almost certainly the result of the Hypselodoris. From the shape of the sponge skeleton and the colour of the sponge I am pretty sure this is the species of Euryspongia which we have found this species on before [see #19243]. Hopefully, with the help of contributors like you, we can now start to build up multiple feeding records of many species, which is just as important as new feeding records, as it helps work out just how specific each species is to its food sponges. While some may feed on a group of sponges in one genus, or one family, others seem to specialise on a single species. It looks as though Hypselodoris purpureomaculosa may specialise on the sponge genus Euryspongia.

Best wishes,
Bill Rudman

Rudman, W.B., 2007 (Aug 1). Comment on Feeding Hypselodoris purpureomaculosa from Philippines by Mike Krampf. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/20367

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