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What size tank do I need for two 9 - 11" Oscars?

Discussion in 'Fish and Aquarium - all types' started by Felix and Oscar, Mar 8, 2005.

  1. Felix and Oscar

    Felix and Oscar New Member

    What size tank do I need for two 9 - 11" Oscars?
  2. grnlemonade

    grnlemonade New Member

    well, they get to be about 12" so for two of them the bare minimum would be a 75 gallon, but t-chelle suggests a larger tank jsut incase some aggressive behavior might occur.
  3. t_chelle16

    t_chelle16 New Member

    I tried keepng an 8" and a 10" oscar in a 75 gallon tank. Not only did I have serious aggression problems that led to one nearly being killed and me ultimately having to get rid of one, but I also was not able to keep the nitrAtes below 20ppm with weekly water changes.

    So for those reasons, I suggest no smaller than 100 gallons for 2 oscars. A 6' long 120 gallon tank would be tons better though. Or if you got a 150+, you could add some nice schooling fish like silver dollars to help fill out the tank and make it look more active.

  4. Fish Addict

    Fish Addict New Member

    that its what i am going to have righ tho i have a 6 inch tiger oscar and a 5 inch silver dollor on one side there buddy's the grew up together on one side and my new baby 1 1/2 inch lutino oscar and my silver dollors there is one thing that i want to do but it is very hard and that it get live plant in there they keep gettting eaten an dug up oh they will be in a 125

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