Barred danio Nilwala River basin. Barred danio The barred danio ("Devario pathirana") is a fish belonging to the minnow family (Cyprinidae). Originating in Sri Lanka, this fish grows to a maximum length of 2 inches (6 cm). In the wild, the barred danio is understood to be critically endangered, but is freely available from captive-bred stock. Typically, the fish prefer water with a 6.0-8.0 pH, a water hardness of 5.0-19.0 dGH, and an ideal temperature range of 69-79 °F (20-26 °C). Its diet consists of annelid worms, small crustaceans, and insects. The barred danio is oviparous (an egg layer), and is found
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