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Rapid And Socially Induced Change Of A Badge Of Status

Home Forums Ichthyology Rapid And Socially Induced Change Of A Badge Of Status

This topic contains 0 replies, has 1 voice, and was last updated by  Matt 6 years, 1 month ago.

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  • #302055

    Matt
    Keymaster

    Abstract

    This paper reports a new aspect of male signalling in the green swordtail Xiphophorus hellerii. Males are highly ornamented and possess a sword (an extension of the caudal fin), as well as a lateral stripe that has been shown to be a badge of status. Males of one natural population, however, were found to quickly change the colour of their lateral stripe to red when socially dominant over other males and black when subdominant, thereby exploiting the female preference for red stripes while dominant, and avoiding the costs of male aggression while subdominant.

    #347435

    plesner
    Participant

    I’d love to read this one.

    #347461

    Matt
    Keymaster

    On its way.

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