Aspects of body size and mate choice in the simultaneously hermaphroditic pond snail Lymnaea stagnalis

Aspects of body size and mate choice in the simultaneously hermaphroditic pond snail Lymnaea... Animal Biology , Vol. 57, No. 2, pp. 247-259 (2007)  Koninklijke Brill NV, Leiden, 2007. Also available online - www.brill.nl/ab Aspects of body size and mate choice in the simultaneously hermaphroditic pond snail Lymnaea stagnalis JORIS M. KOENE 1 , ∗ , KORA MONTAGNE-WAJER 1 , ANDRIES TER MAAT 1 , 2 1 Institute of Ecological Science, Faculty of Earth and Life Sciences, Vrije Universiteit, Amsterdam, The Netherlands 2 Max-Planck-Institut für Ornithologie, Starnberg, Germany Abstract —Body size can be a good indicator of the quality of a potential mate in terms of fecundity. In many hermaphrodites, egg production is positively correlated with body size. Especially when donating sperm is costly, a preference for larger partners might be expected. Here we test this prediction for the great pond snail Lymnaea stagnalis . As expected, we find a clear effect of body size on egg production, and show that shell height can be used as a reliable predictor of body size. Additionally, behavioural observations reveal that these snails are not physically limited in mating with a much larger or smaller partner. Nonetheless, both in a choice experiment as well as in spontaneous copulations, we find no evidence of mate http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Animal Biology Brill

Aspects of body size and mate choice in the simultaneously hermaphroditic pond snail Lymnaea stagnalis

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Publisher
BRILL
Copyright
© 2007 Koninklijke Brill NV, Leiden, The Netherlands
ISSN
1570-7555
eISSN
1570-7563
D.O.I.
10.1163/157075607780377983
Publisher site
See Article on Publisher Site

Abstract

Animal Biology , Vol. 57, No. 2, pp. 247-259 (2007)  Koninklijke Brill NV, Leiden, 2007. Also available online - www.brill.nl/ab Aspects of body size and mate choice in the simultaneously hermaphroditic pond snail Lymnaea stagnalis JORIS M. KOENE 1 , ∗ , KORA MONTAGNE-WAJER 1 , ANDRIES TER MAAT 1 , 2 1 Institute of Ecological Science, Faculty of Earth and Life Sciences, Vrije Universiteit, Amsterdam, The Netherlands 2 Max-Planck-Institut für Ornithologie, Starnberg, Germany Abstract —Body size can be a good indicator of the quality of a potential mate in terms of fecundity. In many hermaphrodites, egg production is positively correlated with body size. Especially when donating sperm is costly, a preference for larger partners might be expected. Here we test this prediction for the great pond snail Lymnaea stagnalis . As expected, we find a clear effect of body size on egg production, and show that shell height can be used as a reliable predictor of body size. Additionally, behavioural observations reveal that these snails are not physically limited in mating with a much larger or smaller partner. Nonetheless, both in a choice experiment as well as in spontaneous copulations, we find no evidence of mate

Journal

Animal BiologyBrill

Published: Jan 1, 2007

Keywords: GASTROPOD; SEXUAL SELECTION; FECUNDITY; BASOMMATOPHORA; HERMAPHRODITE

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