Re: Gymnodoris rubropapulosa feeding

January 15, 2009
From: Toh Chay Hoon

Concerning message #21507:

Dear Dr Bill,

here's another photo of Gymnodoris rubropapulosa caught in acton of feeding during my recent dive at Pulau Hantu.

I would love to see if it can really finish the bigger prey but unfortunately I was running low on air.

Locality: Pulau Hantu, 7m, Singapore, South China Sea, 20 December 2008, Silty substrate. Length: 25 mm. Photographer: Toh Chay Hoon.

Toh Chay Hoon

sonnenflower@gmail.com

Toh C.H., 2009 (Jan 15) Re: Gymnodoris rubropapulosa feeding. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/22114

Thanks Chay Hoon,

It certainly seems that the hunting response in some of these 'hunting' nudibranchs (Gymnodoris, Roboastra ) is triggered by 'taste' or 'smell' and size is not taken into consideration. We tell children who take to much food that there 'eyes are bigger than their stomachs' but I guess since the eyes of these nudibranchs can't actually see images they can't judge when their target is inappropriately large.

Best wishes,
Bill Rudman

Rudman, W.B., 2009 (Jan 15). Comment on Re: Gymnodoris rubropapulosa feeding by Toh Chay Hoon. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/22114

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