08-28-2009, 05:58 AM
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As I stated in first response,Cichlids need to stake out their territory in an aquarium and even one Acara ,could very well consider all of the 22gal it's turf. Yes,one or two small three inch acaras would fit in your tank ,but one would no doubt constantly let the other know ,that he/she is the boss which would in turn ,cause the other fish to be under considerable stress.Squabbles would be frequent as the fish continue to grow and could lead to torn fins and or death of one of the fish. Were it me, and it ain't I would save for a new or used tank of 55 gal or larger. This would give you way more freedom as far as what cichlids you could keep. Dwarf cichlids in my view,are only cichlids suitable for 22 gal. I keep a couple male rams in a 20 gal and one of the rams ,repeatedly gets thrashed whenever it crosses the middle of the aquarium. 22 gal just won't cut it for the Acaras for long. Many people claim,, that they will get a larger tank when the fish get bigger, which is what healthy fish do,, but more than a few people never seem to think the larger tank is needed and fish are the ones who suffer.