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I am a newbie I am sorry to say. I have a 55 gallon that has been cycled. My issue is that I think I was given wrong info. I was told that 3 tinfoils and an oscar would be alright in my tank. I was told the tinfoils would get 8 inches max. Now I have seen up to 14 inches. How big will they really get and am I going to eventually have to get rid of them? I cannot get a bigger tank, maybe years down the road I could but not now. I know it sounds silly but I am really attached to these fish. The biggest TF is probably 4" the other 2 are a little smaller and the o is about 3". I have good filtration at least for now. My tank turns over 550GPH. Can this work in any way? Please don't be mean and thanks for your help.

COBettaCouple

welcome to FishLore!

http://www.fishlore.com/profiles_tinfoil_barb.htm - they can get up to 13" according to the profile here, so the pet store did lie about that.

http://www.fishlore.com/Profiles-Oscar.htm - the oscars get about 13" too.

is a 75 gallon tank an option?