Oscars are nice and should be fine in a 90. I taught mine how to jump but he keeps wetting me when i put my face on the top of the tank when i feed him. 
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Stocking a 90 gal
- Thread starter lewisjl481
- Start date
oscar are one of my fav's they got me into cichlids a long time ago. They are very owner responsive. It all depends on you. JD won't get as large as an oscar but shold be just as nice. There are also a lot more choices for that tank and most of the harder cichlids will do just fine for a new-B. Go to a few LFS and see what you like and ask about them. You could do a pair of a lot of cichlids.
Oscars and Jack Dempseys are both at about the same "skill" level. If you keep them fed and keep their water clean, they'll be perfectly content. I have read that Oscars can be a tiny bit more sensitive to water condition, but I don't know if this is true or not. I will tell you that I probably fall somewhere in the middle in regards to water quality (could be better, could be worse) and maintenance habits, and mine appear healthy and show great color.
Perhaps a bit off the subject, but important to know, is that varying these fishes diet is almost as important as keeping their water clean. They can live on cichlid pellets alone, but mixing in flakes, freeze dried treats (worms, crickets), veggies, etc. will promote better coloring and general happiness.
Both of these fish are very owner-responsive, and each can be quite colorful. You won't go wrong with either. Again, good luck!
-sj
Perhaps a bit off the subject, but important to know, is that varying these fishes diet is almost as important as keeping their water clean. They can live on cichlid pellets alone, but mixing in flakes, freeze dried treats (worms, crickets), veggies, etc. will promote better coloring and general happiness.
Both of these fish are very owner-responsive, and each can be quite colorful. You won't go wrong with either. Again, good luck!
-sj
