How big can goldfish grow?

  1. websclubs profile image51
    websclubsposted 7 years ago

    How big can goldfish grow?

  2. wychic profile image89
    wychicposted 7 years ago

    Single-tailed goldies often get to about 18" average about 12"-16" -- though some can get bigger. Koi, on the other hand, can exceed 3' in length. … h-Get-HUGE

  3. musictunes profile image69
    musictunesposted 5 years ago

    Goldfish in the wild can be pretty large. Thats all they do is feed on everything and they sit on the bottom (bottom dwellers) so .. that's what makes them that big. I heard they werent even suppose to be in the wild but humans did that by releasing them. Here is a video of my goldfish.. its pretty big. … -Correctly
    They are part of the Carp family and those are some of the largest freshwater fish in the world. I think they are in the top 10 in the world if that gives you an idea how large these fish have potential of getting.