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Male Guppy Sperm Actually Travels Faster In The Prescence of Their Sisters

The things I do for prolonging our genetic line.

Inbreeding is generally thought of as a bad thing, because for most species it is. Even if we set aside the ickiness, most species thrive best with a higher gene variation, which you don't get after sleeping around within your own gene pool for a few generations. Except guppies, apparently. Male guppies are aaall about the sister sex.

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Guppy Genitals Have Claws, So… Yeah… Genital Claws

Do you like fish sticks?

The world of guppy genitals has been called an "arms race" which sounds horrifying enough without the knowledge that male guppies have claws at the end of their genitals, but as it turns out they do. A new study looked at exactly what purpose the genital claws serve, and as you might imagine, it's a rather unpleasant one.

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Male Guppies Hang With Their Ugliest Friends to Improve Their Own Chances of Getting Some

With Valentine's Day around the corner, plenty of us are getting our annual harsh reminder that finding love can be really, really hard. We might like to say it's not so, but the fact is, whether you're a guppy or a human, looks count for a lot in the dating game. Like most things, though, looks are all relative -- the worse looking the crowd we find ourselves in, the better looking we seem to be. According to a study published this week in the Proceedings of the Royal Academy of Science B, guppies  looking for love long ago perfected the mating tactic of surrounding themselves with specimens less attractive than they are, a tried and true human trait on display in bars across the world every weekend.

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