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Behavioral response of female mosquitofish gambusia affinis holbrooki to normal versus melanistic male mosquitofish



Behavioral response of female mosquitofish gambusia affinis holbrooki to normal versus melanistic male mosquitofish



Journal of the Elisha Mitchell Scientific Society 102(3): 129-136



Female mosquitofish, Gambusia affinis holbrooki, exhibited a characteristic response to sexually active males when the males were restrained by a nylon mesh screen. This "cooperation response" of the females was not seen when males were not restrained. Females also were given a choice between normally-pigmented and melanistic males in a specially modified aquarium. Overall, in 120 separate trials, females responded equally to normal and melanistic males, which indicates that melanism occurs in the males of some mosquitofish populations for reasons other than female choice. However, females with prior exposure to melanistic males responsded at a higher rate to all males than females without prior exposure.

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Accession: 004817349

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