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New Fish Species May Emerge Because Of How Females See Males

Achilles Tang

By Achilles Tang,
in General Reefkeeping_

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Achilles Tang

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Eye color and hair color play a role in human partner choice, but visual stimuli can also determine mating preferences in the animal kingdom. In many species, the male's fortunes in the mating stakes are decided by a conspicuous breeding dress. A study of brightly colored fish has now demonstrated that this has less to do with aesthetics than with the sensitivity of female eyes, which varies as a result of adaptation to the environment.

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