Reply To: How to breed Welcome to the website! › Forums › The Celestial Pearl Danio › Breeding › How to breed › Reply To: How to breed April 23, 2007 at 2:56 am #11071 madattiverParticipant I spawned mine in water a ph around 7.8 and temp of 74 F.. they were quite easy to spawn as I had them one month before I noticed fry in the tank.