bala sharks, clown loaches, and a massive school of larger tetra
Or
Where do you live? This tank would require VERY oxygenated water and maybe a chiller. Natives. 2 or 3 sunfish/ bluegull, a school of yellow perch and a few bull head on the bottom, a hognosed sucker and chain pickeral.
Big school of clown loaches, some Super red Severums, different mix of severums, silver dollars, and maybe a few other types of loaches, and a pleco of some kind.