Female Preference and the Maintenance of Male Fin Ornamentation in Three Egg-Mimic Darters (Pisces: Percidae)

@article{Strange2001FemalePA,
  title={Female Preference and the Maintenance of Male Fin Ornamentation in Three Egg-Mimic Darters (Pisces: Percidae)},
  author={Rex Meade Strange},
  journal={Journal of Freshwater Ecology},
  year={2001},
  volume={16},
  pages={267 - 271}
}
  • R. M. Strange
  • Published 1 June 2001
  • Biology
  • Journal of Freshwater Ecology
ABSTRACT Egg-mimic, or lollypop darters comprise four species in which breeding males develop large knobs supported by attenuated rays above the second dorsal fin. These structures are presumably the product of sexual selection via female mate choice behavior. I investigated female preference for male fin knobs in three species of egg-mimic darters by experimentally removing fin ornamentation from one of a pair of males and allowing a female to choose between the experimental (non-knobbed) and… 
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The results suggest that female choice is weak or absent in early stages of knob evolutionary development, and that another mechanism such as genetic drift or an alternate function for knobs may be necessary to produce the larger knobs found in other species.
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Male interactions, in the form of guarding, appear to play a larger role in determining male mating success than does female choice, and there were no significant correlations between overt aggression and male spawning success.
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Male-male interactions and their influence on the mating behavior and success in the fountain darter, Etheostoma fonticola
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It is suggested that male size influences dominance relationships in E.fonticola but not mating success, and association preferences in male and female Etheostoma fonticola do not reveal a size preference for same sex or opposite-sex individuals.
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The results indicate that even subtle and gradual environmental variation can induce substantial variation in phenotypes on a relatively small spatial scale.
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Patterns of trophic resource use and individual specialization in two species of darters ( Etheostoma : Percidae)
Citation: Hopper, G. W., & Tobler, M. (2016). Patterns of trophic resource use and individual specialization in two species of darters (Etheostoma: Percidae). Evolutionary Ecology Research, 17(1),

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