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  1. whats wrong with my goldfish?? :(

    Cyprinids and Atherinids
    i have a 10 gallon tank with 4 goldfish, 2 dragon fish, and 1 pleco. recently i noticed that one of my goldfish had red streaks by/on its fins.. now 3 of them have the red streaks (counting the first one.) whats it from and is there anyway i can help them?? and also my one fantail goldfish...
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