Oh sorry, I meant us in a small room, I don't know why auto correct put root
It's size proportion is ok, but it's activity level is not, see a badis is a bit larger than a tetra, but it is slow moving
Imagine an Oscar in a 75 gallon, ok, but a tetra the size of an Oscar in a 75, no!
It's like, we are in a small room, trapped, our size is ok, but if our walking pace was 10 mph, then we would move too fast for the room
If you want for the shrimp to breed, then they are better off by themselves, even small fish will eat the baby shrimp