Abstract
The impacts of relying on stored sperm were evaluated in the sailfin molly, Poecilia latipinna. Females reliant on stored sperm had fewer offspring compared to remated females, but offspring size and short-term growth rate did not differ. Thus, females may use stored sperm in cases such as previous mating with a preferred male, lack of access to mating opportunities during a reproductive cycle, or to maximize egg fertilization. Females do not compensate for producing fewer offspring however, by allocating more resources to offspring relative to their size or initial growth.
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