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Ecologists get fish eye view of sexual signals
Date:11/9/2010

essing the quantity of carotenoids a male is able to put in his signal which previous studies by the authors have shown is linked to his parenting ability.

The results will help ecologists get a better understanding of why carotenoid-based signals evolved in the first place, and provides insights into why males use the specific carotenoids they do. According to Dr Pike: "There are many carotenoids in the sticklebacks' diet, but males use only two of them for signalling; because the visual system evolved long before male coloration in this species, it suggests that males 'chose' to use those two carotenoids to make the most of what the female fish sees."


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Contact: Dr. Tom Pike
T.Pike@exeter.ac.uk
44-132-637-0446
Wiley-Blackwell
Source:Eurekalert

Page: 1 2

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