Reply To: Anyone into breeding guppies? Welcome to the website! › Forums › General › General Aquaria › Anyone into breeding guppies? › Reply To: Anyone into breeding guppies? July 13, 2007 at 11:01 pm #11671 EllyParticipant At night, my females’ gravid spots turn pink and in the morning they become black again. Is that normal/okay? Why “don’t buy top fin”?