Danio and "D. rerio". About a century later (1916) and with many more species described in the meantime, the genus was split; the larger species into "Danio" and the smaller species into the genus "Brachydanio". In 1991, though, the two genera were recombined; most larger species formerly within the genus "Danio" have now been reclassified into the genus "Devario". Also, "Brachydanio" is now a junior synonym of "Danio". There are currently 27 recognized species in this genus: Danio Danio is a genus of small freshwater fish in the family Cyprinidae found in South and Southeast Asia, commonly kept in aquaria. They
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