Nembrotha megalocera - 'sniffing around'

January 8, 2004
From: Valérie Grando

Hi Bill,
Here are some pictures of Nembrotha megalocera that I shot at Wadi Lahami, in the South of the Red Sea off Sudan on June, 2003.

I find the picture of the one "standing up" funny

Valérie Grando

vgrando@nordnet.Fr

Grando, V., 2004 (Jan 8) Nembrotha megalocera - 'sniffing around'. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/11752

Dear Valérie,
Nudibranchs 'standing up' like this remind me of the Nth American 'Prairie Dog' [Cynomys spp] which stand upright like this when on guard duty. In a way they are doing exactly the same thing - checking out their neighbourhood. The difference is that the Prairie Dogs are looking for potential danger while the nudibranchs are 'smelling' for potential food organisms. By raising their rhinophores and moving them around they can pick up chemical signals - from their food - in the water and get an idea of where the chemicals have come from.
Best wishes
Bill Rudman

Rudman, W.B., 2004 (Jan 8). Comment on Nembrotha megalocera - 'sniffing around' by Valérie Grando. [Message in] Sea Slug Forum. Australian Museum, Sydney. Available from http://www.seaslugforum.net/find/11752

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Nembrotha megalocera

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