I have 3 ropes 1 ornate polypterus 2 german blue rams 1 strawberry tetra 1 yoyo loach and a bala shark?

there all in a 75 gallon tank and theres plenty of room an i konw the ornate will eat everything but i will get rid of him in a few years. i just wanna konw what else i should put in my tank like sweet *** fish that would look tight any one got ne ideas