Can I put an oscar and a red devil in a 90g, or will the RD beat the crap out of the oscar? My RD is pretty tame and doesnt even eat the corry cats from the botton of my tank. I had a jewl in with him before and he didnt even bother the jewl. Hovever, the RD is only 4" right now, so I dont know If he will get more visious with age. Do you think that an oscar can handle himself in there? If not, are there any suggestions of tankmates for my RD in a 90g? Preferably something that has the personality of an oscar...or even something more aggressive.
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