Reply To: Nervous behavior Welcome to the website! › Forums › The Celestial Pearl Danio › Behavior › Nervous behavior › Reply To: Nervous behavior April 22, 2007 at 7:10 pm #11070 chr15_8Participant when i first good mine they were really shy (1st/2nd week) but now thett are fine always swimming around but my tanks low light so light might make a difference (30 watt over 14 uk gallons) chris