Reply To: Temperature Welcome to the website! › Forums › The Celestial Pearl Danio › Behavior › Temperature › Reply To: Temperature October 1, 2007 at 6:15 pm #12409 ste12000Participant Mine bred at 80f but i think this is well too high as i have loads of infertile eggs and can only see 6 fry in a bare tank?? I am going to try them in a cooler tank.