Help! Has My Rainbow Got Enough Room? 20 Gallon Tank

Discussion in 'Rainbowfish' started by Jasminesaquarium, Jul 16, 2019.


Can i keep my red rainbow in my 20 gallon (i change 15% every 2nd day)

  1. Yes

  2. No

  3. Only till it gets bigger

  4. Its ok if you keep up maintenance

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  1. Jasminesaquarium

    JasminesaquariumNew MemberMember

    Can I keep my red rainbow in my 20 gallon? Plz vote in poll!
  2. GlennO

    GlennOValued MemberMember

    I'm afraid not, they are large schooling fish.
  3. BottomDweller

    BottomDwellerFishlore VIPMember

    No they get pretty big -around 6"- and need to be kept in groups of 6+ since they are schooling. If you were to keep them you'd need a tank that was at least 4ft long so they have enough room.