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197 Posts
Personally I wouldnt do less then 100 for one oscar alone, and 200 for two oscars. No clue how big silver dollars get, but it seems a bit crowded already. Although, my moms ex boyfriend had a pike and oscar with some other fish in a 55 show tank, but he took terrible care of his animals. (The pike lived in a cooler its own size for a month for trying to kill the precious oscar, that all my mom could get her boyfriend to agree to do instead of just killing it.)