Can a koi fish live with a betta fish in a 10 gallon tank?

I saw some koi fish at walmart that grow about 5′ to 6′. Just wondering if a koi fish would get along with my betta. If so could i add more koi fish with him?




10 Responses to “Can a koi fish live with a betta fish in a 10 gallon tank?”

  1. Aunt Karen says:

    The koi would outgrow the 10 gallon tank in about a month, or less. A fantail goldfish would be a good match for such a small tank.

  2. copperhead says:

    Koi grow to 3-4 feet. They shouldn’t be kept in anything smaller than a pond, except temporarily.

    Koi (and goldfish) are coldwater, the betta is tropical and needs a heater, so they shouldn’t have to live in the same temperature – one of them will suffer for it.

  3. carl j says:

    Not for long.

  4. Kylie Anne says:

    I seconmd copperhead.

    no koi stays that little. walmart is unreliable whne it comes to information about fish. and bettas prefer water temps of around 80°F while goldfish/koi prefer colder temps.

  5. boncarles says:

    No koi fish grows to six inches. Don’t listen to Walmart, I have seen them trying to say Pacus grow to five inches! Yeah right! The koi will eat your betta as it grows, and if you keep it in 10 it will die.

  6. ßübblëš says:

    Copperhead it right.

    ßübblëš

  7. Koi Carp News | Breeding Koi Carp says:

    [...] Can a koi fish live with a betta fish in a 10 gallon tank? [...]

  8. Koi Fish News | Breeding Koi Carp says:

    [...] Can a koi fish live with a betta fish in a 10 gallon tank? [...]

  9. Cat42908 says:

    Do some homework on bettas! they are Siamese fighting fish and are extremely aggressive, yes they are a very hardy fish so they live o. Almost any climate/habitat but CAN NOT be housed with any other fish regardless, even whilst breeding Betta fish you can only leave the male and female together for a limited,very well supervised , time. Attempting to house any other fish will result in the death of one, or both of them.

  10. Sarah says:

    Hey. Well I have to say i have owned sucessfully for a year four koi two that were 6 inches and two that were 8 inches. They livedi in a 10 gallon tank for a year. Then I was able to get a 55 gallon tank and they are in it now. They are fine. If you put them in a 10 gallon you must keep up with water quality and water changes, plus get an aerator that makes bubbles that is what really helped mine in the 10 gallon the extra oxygen. Koi are known to grow to the size of about a foot but that takes them about 3 years to do that, so in 3 years you will need a bigger tank. However, about the betta. NO! I put a betta in my tank and the koi ATE it. They ate it. You must have fish in the tank that are at least 3 or more inches bigger than your kois mouth or they will eat it. hope this helps, enjoy your fish.

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