Article Abstract:
Males of Poecilia latipinna and Poecilia mexicana species prefer conspecific females to female Amazon mollies for copulation. However, this preference is lower in Poecilia mexicana than in Peocilia latipinna. Both species of males can distinguish between conspecific females and Amazon mollies. Male Poecilia latipinna are reluctant to mate with females of heterospecific species, male Peocilia mexicana favor Poecilia formosa over female Poecilia latipinna. Male Poecilia mexicana's attraction to Peocilia formosa may, therefore, be related to maternally derived genetic component.
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Article Abstract:
The sexual-asexual mating complex of sailfin mollies, Poecilia latipinna, and Amazon mollies, P. formosa, depends on the close proximity of aggregated individuals or shoals. P. formosa is gynogenetic and is inseminated by male P. latipinna. The females are unable to discriminate species which results in mate copying. Females of both the species prefer associating with a conspecific rather than a heterospecific group. However, they prefer to associate with a larger heterospecific group rather than a smaller conspecific one.
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Article Abstract:
Female sailfin mollies have significant preferences for vertical bars and for males with asymmetrical bars. This was found in an investigation of whether fluctuating asymmetry in vertical bars in sailfin mollies is a criterion in female mate preference. Fluctuating asymmetry in bars may signify mate preference and thus play a role in sexual selection due to the negative correlation between the total number of bars and the degree of fluctuating asymmetry.
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