They call it 'guppy love': UCLA biologists solve an evolution mystery
Friday, November 25, 2011 - 19:00
in Biology & Nature
Guppies in the wild have evolved over at least half-a-million years — long enough for the males' coloration to have changed dramatically. Yet a characteristic orange patch on male guppies has remained remarkably stable, though it could have become redder or more yellow. Why has it stayed the same hue of orange over such a long period of time?