Some aging fish may switch mating habits

Ohio University scientists say they have determined that as female swordtail fish age, they change their mating habits.

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<p><a href="http://www.physorg.com/news8208.html">Some aging fish may switch mating habits</a></p> <p>Ohio University scientists say they have determined that as female swordtail fish age, they change their mating habits. </p>