Females decide whether ambitious males float or flounder

Aggression, testosterone and nepotism don’t necessarily help one climb the social ladder, but the support of a good female can, according to new research on the social habits of an unusual African species of fish.

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<p><a href="http://www.physorg.com/news120906960.html">Females decide whether ambitious males float or flounder</a></p> <p>Aggression, testosterone and nepotism don’t necessarily help one climb the social ladder, but the support of a good female can, according to new research on the social habits of an unusual African species of fish.</p>