Tank Size

2006fuzz

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So I’ve just gotten my first Oscar and I’m pretty excited. I did just want to confirm something I’ve been seeing everywhere tho, can an Oscar be kept in a 55 longterm-ish? I have the tank and it’s ready for him for the most part, I just want to be sure he’ll be happy in there for awhile. I know a 75 is what most people here are recommending but I don’t currently have the room for such a large tank and have seen other sites recommend a 55 as “bare minimum” for an Oscar.
 

david1978

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Actually i think most on here would recommend something even wider than a 75 gallon. As far as a 55 its only 12 inches wide and an oscar can get 15 inches long so its pretty cramped.
 

OscarHoya

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It's tough. Everyone will tell you that you need a 100+g tank for just about any bigger cichlid, but it just isn't possible for most people. I've been thinking about what I want for my new 75g for weeks now. Oscars are my favorite - hands down. But I agree about most 55g tanks being two narrow. I'm considering a JD and a couple convicts instead. I've even thought about an Oscar and a couple convicts in my 55g with plans to go to a 120 or 150 tank. But if that doesn't happen, my Oscar will be stuck in a shoe box.
 

Ulu

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I am growing out an Oscar in a 55, 12x48x22" tall. I have a 10 gallon sump for filtration.

I've had him for 6 months and he is over 8 inches now. He is doing really well but I keep him alone since he got over 6 in.

He will have to live there for about three more months until my house is remodeled, and then I intend to transplant into a larger custom-made tank. At the rate he grows he should be about a foot long by then.

Just remember that whatever tank you choose these fish need big filtration. 2 Aqueon 75 HOBs on a 55 are almost enough, but you will still be changing lots of water.
 
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2006fuzz

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I bit the bullet and got the 75g as it was one sale and my current stand was built with a 75g in mind. I'm running a Fluval 306 canister on it, altough I'll be changing it out for a 406 in the future.
 

Ryan Neidinger

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I just adopted an Oscar from the fish store who was living in a 55 gal tank. He is about 11-13 inches right now and I don’t know if he will grow anymore because I’m unaware of his age. I also have a 6 month old in a 55 gal tank because of the deal I got on the tank but seeing how active my adopted fish is, I would recommend getting at least a 75 gal once he grows up or when ever there is a really good sale.
 
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