Reply To: 10g Celestichthys margaritatus Species Tank Welcome to the website! › Forums › The Celestial Pearl Danio › Habitat › 10g Celestichthys margaritatus Species Tank › Reply To: 10g Celestichthys margaritatus Species Tank October 7, 2007 at 7:08 am #12497 L168Participant Hi Lg, Your Galaxys are still looking very pale, i keep mine in a tank with a brown gravel in it and mine are a lot darker even the females. Mfg Peter