Re: Glossodoris cincta - sponge association

September 8, 2006
From: Colin Ogden

Concerning message #17585:

Hi Bill,
Following your message on the G. cincta feeding, I have been through all my photos on this nudi, but as you say it is difficult to determine whether they are feeding. I have selected a couple of photo that might be useful as they appear to be showing an interest in something. I can't determine what they are showing an interest in. We appear to have 2 separate colour forms here.
I also have a number of photos of them on all sorts of different structures. If you are interested let me know, or else just ignore these pictures,

Locality: Sodwana Bay, 20 metres, South Africa, Indian Ocean, various, reef. Length: 35 mm. Photographer: Colin Ogden.

regards
Colin

scubaco@iafrica.com

Ogden C. M., 2006 (Sep 8) Re: Glossodoris cincta - sponge association. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/17634

Thanks Colin,
As you say, they seem to be taking an interest in something, but I am afraid they are keeping whatever it is well hidden. All I can suggest is for you to persevere and if you get the opportunity, nudge their heads to see if they are attached, and if they appear to be stuck, be very annoying and carefully remove them to see and photograph any sign of a hole or 'grazing'. I know its often not practical to try precision 'poking and prodding' in the field, but hopefully now and then an opportune moment will occur.

Best wishes,
Bill Rudman

Rudman, W.B., 2006 (Sep 8). Comment on Re: Glossodoris cincta - sponge association by Colin Ogden. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/17634

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