Reproductive strategies in hermaphroditic gastropods: conceptual and empirical approaches

    Research output: Contribution to JournalArticleAcademicpeer-review

    Abstract

    An individual optimizes its reproductive success by adopting a particular reproductive strategy. Studying the details of a reproductive strategy leads to an understanding of how sexual selection acts, as the former is the process via which the individual reproduces successfully. Hermaphroditic gastropods display a bewildering diversity of reproductive strategies, which may be due to their mode of gender expression, when compared with well-studied separate-sexed species. Extensive theoretical, observational, and experimental research has been conducted on this topic. However, despite our knowledge about the repro- ductive system of hermaphroditic gastropods, we still need to fill the gap between pre- and post-copulatory processes and reproductive success. Here, we review and propose conceptual and empirical approaches aimed at understanding reproductive strategies of hermaphroditic gastropods. In sum, our suggestions are (i) to focus on sex-biased traits, (ii) to take biologically reliable measurements at both the pre- and post-copulatory level that relate to reproductive success, and (iii) to examine the fitness consequences of biased sex allocation.
    Original languageEnglish
    Pages (from-to)367-381
    Number of pages15
    JournalCanadian Journal of Zoology
    Volume91
    Issue number6
    Early online date25 Mar 2013
    DOIs
    Publication statusPublished - Jun 2013

    Keywords

    • Hermaphrodite
    • Paternity longevity
    • Reproduction
    • Sex allocation
    • Sexual selection
    • Sperm competition
    • Sperm storage

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