caa a22 4500 60546250X CHVBK 20210128100248.0 cr unu---uuuuu 210128e20151001xx s 000 0 eng 10.1007/s10211-014-0211-7 doi (NATIONALLICENCE)springer-10.1007/s10211-014-0211-7 Assortative mating with respect to size in the simultaneously hermaphroditic land snail Bradybaena pellucida [Elektronische Daten] [Kazuki Kimura, Takahiro Hirano, Satoshi Chiba] There is ample evidence that body size is tightly linked with quality and fecundity of individuals in simultaneously hermaphroditic species. Especially in simultaneous hermaphrodites with reciprocal intromission, it has been thought that assortative mating with respect to body size occurs. Contrary to this expectation, studies on size-assortative mating in such simultaneous hermaphrodites have shown inconsistent mating patterns. It is important to gain an understanding of mating patterns with regard to body size in various hermaphroditic species as a first step for considering the causes for such species differences. In the present study, we examined the relationship between body size and fecundity in the simultaneously hermaphroditic land snail Bradybaena pellucida. We also tested size-assortative mating patterns in this species under a laboratory condition. The results of the experiments showed that life-span fecundity was positively correlated with body size and that the snails tended to choose mating partners of similar body size. As we had predicted, size also affected the mating pattern and assortative mating in simultaneous hermaphrodites with reciprocal intromission. This size-assortative mating pattern seems to result from sexual selection processes, not from mechanical constraints and habitat heterogeneity between large and small individuals. Springer-Verlag Berlin Heidelberg and ISPA, 2014 Land snails nationallicence Mate choice nationallicence Simultaneous hermaphrodites nationallicence Size-assortative mating nationallicence Bradybaena pellucida nationallicence Kimura Kazuki Department of Environmental Life Sciences, Graduate School of Life Sciences, Tohoku University, Kawauchi 41, Aoba-ku, 980-0862, Sendai, Japan aut Hirano Takahiro Department of Environmental Life Sciences, Graduate School of Life Sciences, Tohoku University, Kawauchi 41, Aoba-ku, 980-0862, Sendai, Japan aut Chiba Satoshi Department of Environmental Life Sciences, Graduate School of Life Sciences, Tohoku University, Kawauchi 41, Aoba-ku, 980-0862, Sendai, Japan aut acta ethologica Springer Berlin Heidelberg 18/3(2015-10-01), 265-268 0873-9749 18:3<265 2015 18 10211 https://doi.org/10.1007/s10211-014-0211-7 text/html Onlinezugriff via DOI BK010053 XK010053 XK010000 Metadata rights reserved Springer special CC-BY-NC licence nationallicence 1 research-article jats NATIONALLICENCE NATIONALLICENCE NL-springer NATIONALLICENCE 856 40 https://doi.org/10.1007/s10211-014-0211-7 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Kimura Kazuki Department of Environmental Life Sciences, Graduate School of Life Sciences, Tohoku University, Kawauchi 41, Aoba-ku, 980-0862, Sendai, Japan aut NATIONALLICENCE 700 1- Hirano Takahiro Department of Environmental Life Sciences, Graduate School of Life Sciences, Tohoku University, Kawauchi 41, Aoba-ku, 980-0862, Sendai, Japan aut NATIONALLICENCE 700 1- Chiba Satoshi Department of Environmental Life Sciences, Graduate School of Life Sciences, Tohoku University, Kawauchi 41, Aoba-ku, 980-0862, Sendai, Japan aut NATIONALLICENCE 773 0- acta ethologica Springer Berlin Heidelberg 18/3(2015-10-01), 265-268 0873-9749 18:3<265 2015 18 10211