Experimental evidence of inbreeding avoidance in the hermaphroditic snail Physa acuta

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Publications
Institution
Title
Experimental evidence of inbreeding avoidance in the hermaphroditic snail Physa acuta
Journal
Evolutionary Ecology
Author(s)
Facon B., Ravigne V., Goudet J.
ISSN
0269-7653
Publication state
Published
Issued date
2006
Peer-reviewed
Oui
Volume
20
Number
5
Pages
395-406
Language
english
Abstract
Inbreeding depression should select for inbreeding avoidance behaviours. Here we test this hypothesis in two populations of the simultaneous hermaphroditic freshwater snail Physa acuta. We recorded the copulatory behaviour of 288 pairs of sib-mates, non-kin mates from the same population, or non-kin mates from two different populations. We find that kin discriminatory behaviours exist in this species, exclusively expressed by individuals playing the female role. We discuss the relevance of our finding in the context of the evolution of recognition systems and the consequences of such a behaviour in natural populations.
Keywords
mating behavior, inbreeding avoidance, mate choice, freshwater snail, hermaphroditic, intersexual conflict
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24/01/2008 17:10
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20/08/2019 14:37
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