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Results 1 to 6 of 6
  1. Default Oscar biotope setup (new thread since i have alot of new questions)

    0 Not allowed!
    Hey, i made a topic a month ago and got some answers but i make this new topic since i think ill get more people to read this then by adding an reply to my old. If you need to remove this reply and ill just make an attempt to get my questions asked somewhere else.

    So a few days ago i was at an aquatic store i have never been to, there were 2 tanks maybe 40-55 gallon with 6 oscars 4 in one tank in 2 in the other. they were all LARGE around 30-35cm (11.8" - 13.8") and then i fell even more in love with this fish.

    So to the questions.

    According to the specie information in the store an oscar needed a tank of 100cm (39,4") so i thought a bit about how large of a tank ill need to get me a pair and maybe some tank mates for them.

    These are the 3 most common "cheap" tanks i can get a hold of for pretty much 40-100$ each.
    375 liters, 150x50x50 ( 99,06 gal, 59,1x19,7x19,7)
    540 liters, 150x60x60 ( 142,65 gal, 59,1x 23,6x23,6)
    720 liters, 200x60x60 ( 190,2 gal; 78,7x23,6x23,6)

    These are standard US gallon changes from the internet and standard " from cm also found on the internet.

    which of these tanks are possible to keep a pair of adult oscar and some tankmates? ill probably go with the smallest possible.

    What sort of filter would i need for a tank like this with oscars?

    Now to something thats not really something that minds oscars but i want to create a biotope aquarium for the oscars so tankmates if any will be biotope friendly. From videos have i seen they are using subdued lightning.
    How do i get this low light look? are a few spotlights the way to go to point the light to certain areas of the tank? or is there some other way?

    Something like in this videos is what im looking for.

  2. #2


    0 Not allowed!
    For a single pair of oscars, I could see 99 gallons working, but for a biotope with a slew of other tankmates it would have to be the 140 gallon.

  3. #3


    0 Not allowed!
    I agree, a 99 gallon may or may not work for a pair of oscars. If they are together from the time they are juveniles it may work, but its not a guarantee. I would go for the 140 gallon if you want to incorporate other fish in.
    55g- blood parrots, SAE, bristlenose plecos

  4. Default

    0 Not allowed!
    When it doubt, go larger as opposed to smaller. You'll be kicking yourself in the rear wen you decide to add tank mates but you opted for the 99. Same goes for filters, oscars are pretty messy.

  5. Default

    0 Not allowed!
    Yep, with Oscars the bigger the batter

  6. #6


    0 Not allowed!
    From personal experience, I would not keep more than one oscar in a 100g unless they are a proven pair. And I would not keep a single oscar in a tank any less than 70gallons.
    <-- Click for journals
    "There is no right way to do the wrong thing." - KingFisher "Only bad things happen fast in this hobby" - Cliff Boo train boo train boo train boo train woohoo

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