Danio tinwini Danio tinwini Danio tinwini, commonly called gold-ring danio, is a newly discovered species of "Danio" from Myanmar. It is also referred to as Danio sp. "TW02". It is a tiny gold fish whose body and fins are covered with blue spots. It has also been referred to as "Danio" sp "Ringlet" or "Danio" sp "Blue Ring". It has been described by Kullander and Fang, based on collection by Mr U Tin Win, hence its species name. It is known only from the Mogaung Chaung (Mogaung stream), Myitkyina District, Kachin State, northern Myanmar. This is a tributary of the Irrawaddy River.
Danio annulosus deep, instead of round or deep wide. No sexual dimorphism is present in Danio annulosus. Healthy adult individuals in life have dark stripes which include circles which are blue in color with the space in between including the circle centres are orange in color. A unique orange spot is seen in the front of the black cleithral spot. The holotype DU 50001 is an adult individual and probable female, 71.5 mm in length and collected form a Chittagong Division, Rangamati District, Borokal, pool at bottom of Shuvolong Waterfall on 28 Nov 2014. Danio annulosus Danio annulosus is a species of