(Dario dayingensis)
Dario dayingensis is a tropical freshwater fish native to Yunnan, China. The species can be found in a small stream, wider than 2 m, about 30 cm deep, with relatively fast current, running through an open cultured area. Bottom composed of substrate rock, sand, leaf litter and mud. This species is called as Yingjiang chameleonfish(盈江变色龙) or Yingjiang color-changing fish(盈江变色鱼) in China. The Dario dayingensis is rare in China aquarium trade.