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Study: Fish with Biggest Sword Always Wins

by Georgia | January 31, 2006

Lynchburg, US - Swordtails, colorful, common aquarium fish, size up their swords before fighting, and often a male just has to show his big sword to scare off challengers, according to a new study in the latest Animal Behavior journal.

Yet another study in the same publication concluded that female swordtails prefer male swordtails with big, striped swords.

Continue reading on Discovery News article opens in new window 
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