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    what does it mean when a koi fish swims with it's mouth open?

    0  Views: 698 Answers: 4 Posted: 13 years ago

    4 Answers

    I've found when fish swim with their mouths open, they need  oxygen.

    It's thirsty.

    They need oxygen, perhaps.  Also, they need oxygen because they are amorous and want to mate?

    It's female

    Flip

    lol


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