Sex change and relative body size in animals

Peter M. Buston (), Philip L. Munday and Robert R. Warner
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Peter M. Buston: National Center for Ecological Analysis and Synthesis, University of California
Philip L. Munday: School of Marine Biology and Aquaculture, James Cook University
Robert R. Warner: Evolution, and Marine Biology, University of California

Nature, 2004, vol. 428, issue 6983, 1-1

Abstract: Abstract Arising from: Allsop, D. J. & West, S. A. Nature 425, 783–784 (2003); Allsop and West reply Organisms that change sex during their lifetime use a variety of strategies — they may be female first1, male first2 or even repetitive sex changers3. Natural selection should favour those individuals that change sex at a time when it increases their reproductive value4,5,6. Allsop and West7 claim that the relative timing of sex change is invariant across all animals, with individuals changing sex at 72% of their maximum body size, and infer that natural selection for sex change must therefore be fundamentally similar across animals. Here we explain why we believe that Allsop and West's claims are not supported by their analysis or by their empirical data7.

Date: 2004
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DOI: 10.1038/nature02512a

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