Cyprinids and Atherinids
I already have a 10 gallon tank with 1 balloon molly, 1 bleeding heart tetra, 1 mickey mouse platy and an emerald catfish.
I recently was gifted 2 giant danios (both two years old) in a 5 gallon tank, but I'd like to integrate them into my 10 gallon, eventually.
However, the previous owner...