How big is your tank? Danios usually need a school of at least 6 and so do the tetras (the other type of glofish). The danios will attack other fish if you don't meet their schooling requirements.
How big is your tank? Danios usually need a school of at least 6 and so do the tetras (the other type of glofish). The danios will attack other fish if you don't meet their schooling requirements.
