Danio margaritatus it cannot be kept with large or "bully" fish. Small, swarming danionins which require similar water conditions would be a natural choice for company, as such more active species provide nice contrast behaviorally and, being available in a wide range of colors and patterns, also make it possible to choose fish that complement the brilliant colors of "D. margaritatus". Many danionins prefer slightly acidic water, however, and maintaining the rather high pH found across the Inle basin seems a necessary condition to keep fish from there successfully. Danio margaritatus Danio margaritatus, the celestial pearl danio, often referred to in the
Danio margaritatus Danio margaritatus Danio margaritatus, the celestial pearl danio, often referred to in the aquarium trade as galaxy rasbora or "Microrasbora" sp. 'Galaxy', is a small cyprinid from Myanmar. It has so far been found only in a very small area near Hopong east of Inle Lake, at an altitude of over 1,000 m (3,400 ft). Its habitat is part of the Salween basin, namely the Nam Lang and Nam Pawn Rivers. Discovered in 2006, the species quickly appeared in the aquarium trade, where its small size and bright colours made it an instant hit. This is a small, plump danionin