Article

Behavioral Ecology and Sociobiology

, Volume 17, Issue 3, pp 253-255

Tail size and female choice in the guppy (Poecilia reticulata)

  • Robert J. BischoffAffiliated withDepartment of Biology, Princeton University
  • , James L. GouldAffiliated withDepartment of Biology, Princeton University
  • , Daniel I. RubensteinAffiliated withDepartment of Biology, Princeton University

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Summary

Under laboratory conditions, female guppies demonstrate a clear preference for males with larger tails, and this preference translates into enhanced reproductive fitness for these males. Females also prefer males with higher display rates, a behavior which appears to be linked to tail size, but which can be experimentally disassociated. This appears to be a case of female-choice sexual selection.