She’s not pregnant because she’s been this size for months now and there are no male platys in the tank with her. Her behaviour isn’t strange either, swimming normally and eating fine. Is she just really fat or is there something I need to worry about?
**EDIT** she can’t be pregnant she hasn’t...
I have a 6.5 gallon tank with one male guppy, one male molly, and one female platy. Can I add more fish to this tank, and if so do they need to be female so my males don’t become aggressive?