Mating success of male guppy Poecilia reticulata in the wild

作者: Aya Sato

DOI: 10.1007/S10228-017-0610-7

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摘要: To understand how the diversity among male sexual traits is maintained despite directional female choice for attractive traits, it important to study reproductive success in each episode. Male indeed comprehensive result of several processes such as mate choice, mating, and fertilization. In this study, mating was estimated a wild guppy Poecilia reticulata population Hiji River, Okinawa Island, southern Japan. The males percentage sperm transferred relation total reserve. preliminary experiment, confirmed that reserves were partly replenished after 12 h fully 72 h, when all released. addition, results investigation revealed approximately 20% had no at all, although their should have been by isolation. body size or color pattern did not affect transferred. Results from provide insights into transfer ability production population. However, high frequency sperm-transfer be taken with caution, whether due differences between laboratory conditions, sex ratio rates multiple matings females remain explored.

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