guppies

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Scientists Freak Out Fish to Find Out How Brave They Are

Guppies apparently have distinct personalities, researchers find

(Newser) - Frightening fish isn't something you'd find on most people's daily to-do lists, but for researcher Tom Houslay, it was all in a day's work. Per the Washington Post , the evolutionary biologist at the University of Exeter gave his team the task of determining if the fish... More »

Ugly Fish Have Stronger Sperm

Pretty boys get the girl first and still finish last

(Newser) - Pretty, colorful guppy guys may get all the ladies, but ugly guppies have “better sperm,” researchers concluded in a recent study. The group watched tropical guppies, and concluded that the colorful men had to “invest” in their beauty at the expense of slowing down their sperm. That's... More »

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