there are different kinds of daniios, zebra danios are one kind.
you could cycle the tank with small schooling fish. then if you like peaceful, geo tapajos redheads are very nice. they do well with schoolers, so you'd have variety in tank appearance and action.
Geos do need xlnt water care, frequent changes (but most of us here do that with all fish) and they like to be in groups.
You have to weigh out the level of hardiness you feel comfortable starting out with.
There are so many different options for a 75G!
you could cycle the tank with small schooling fish. then if you like peaceful, geo tapajos redheads are very nice. they do well with schoolers, so you'd have variety in tank appearance and action.
Geos do need xlnt water care, frequent changes (but most of us here do that with all fish) and they like to be in groups.
You have to weigh out the level of hardiness you feel comfortable starting out with.
There are so many different options for a 75G!