How many oscars can i keep in a 240 gallon tank (with 96L x 24W x 24H dimensions, ITS GOING TO BE ACRYLIC!!!) with a large wet dry filter with 60 gallon bioball media capicity and 2 two ocean clear 25 micron canister filters and 25 to 50% water changes every week along with a gravel vac and cleaning and changing of media. With the size of the fish in talking 12-14 in oscars. Any idea how many i will be able to keep under these conditions?