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 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