Reply To: my fish are at it again Welcome to the website! › Forums › The Celestial Pearl Danio › Breeding › my fish are at it again › Reply To: my fish are at it again October 26, 2007 at 6:53 am #12777 katkinParticipant GReat pics! lovely and clear. Gotta ask, what substrate have you got ? is it just a black sand or something else? K