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NATURAL SELECTION ON COLOR PATTERNS IN POECILIA RETICULATA

NATURAL SELECTION ON COLOR PATTERNS IN POECILIA RETICULATA,JOHN A. ENDLER

NATURAL SELECTION ON COLOR PATTERNS IN POECILIA RETICULATA   (Citations: 418)
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All too often in evolutionary biology we are led to speculate or infer the mode of action of natural selection; we usually do not know why some individuals are more adaptive than others. Very often attempts to measure natural selection are unsuc- cessful, leading to heated arguments about the relative importance of selection, ge- netic drift, and epistasis in evolution (Le- wontin, 1974). Until we know more about how and why natural selection occurs, at- tempts to measure it are quixotic, and dis- cussions of its importance are theandric. It is no coincidence that most of the suc- cessful studies of natural selection have dealt with animal color patterns; it should be obvious which color patterns are more adaptive in the presence of visually hunt- ing predators. The adaptive significance of warning coloration and mimicry of dis- tasteful species has been worked out (Cott,
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    • ...Comparative, common garden experiments and transplant studies have revealed parallel evolution of life history traits [see, e.g., [7,8]], male colour patterns [see, e. g., [9,10]] and behaviour [see, e.g., [11]] in response to the ecological differences above and below barrier waterfalls...

    Bonnie A Fraseret al. Sequencing and characterization of the guppy ( Poecilia reticulata ) t...

    • ...Evolutionary changes have been shown for male nuptial colour following humancaused environmental changes, such as in experimental introductions (Endler 1980; Kemp et al. 2008) but such evolution is not inevitable (Karim et al. 2007; Kemp et al. 2008)...

    Inke van der SluijsSuzanneet al. Communication in troubled waters: responses of fish communication syst...

    • ...Endler was able to reproduce this system in the lab [13]...

    Craig Reynolds. Interactive Evolution of Camouflage

    • ...However, traits and/or courtship signals of males selected to be conspicuous to intended (female) receivers often result in increased detection by unintended receivers, such as predators (Endler 1978, 1980, 1982, 1991; Zuk and Kolluru 1998; Haynes and Yeargan 1999; Rosenthal et al. 2001; Stuart-Fox et al. 2003; Husak et al. 2006)...

    David L. Clarket al. Spectral reflectance and communication in the wolf spider, Schizocosa ...

    • ...For the better part of a century, guppies (Poecilia reticulata) have served as a model organism for the study of male coloration, courtship displays, female mate-choice, and visual-pigment evolution [1-8]...
    • ...Within these, and in other aspects of guppy life-history, a large number of sex- and population-specific morphological and behavioral characteristics have been described [3,9-14], with the most salient of this variation being guppies’ pronounced sexual dimorphism...
    • ...As adults, males exhibit elaborate red, orange, and yellow colorations that strongly influence female mate choice [2-4,8,32-34]...
    • ...Guppies are a tropical, freshwater, surface dwelling species native to Trinidad and Venezuela [3,26,50], and are found in clear to tea colored water [64,65]...
    • ...For females, we propose that increased A180 expression would allow for enhanced spectral discrimination of male spot coloration - long known to be an integral trait assessed by females in a prospective mate [2-4,32] - or provide improved detection and evaluation of male sigmoid displays...

    Christopher RJ Laveret al. RT-qPCR reveals opsin gene upregulation associated with age and sex in...

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