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 species of the Danio identified. Just like all the chain danios "Danio annulosus" has chain like pattern instead of the striped patterns of zebra danios. As all the chain danios, Danio annulosus has the same color pattern containing a series of dark rings with light color space beside it, a complete lateral line, 14 circumpendular scales, have the first ray in the pectoral fin and a black humeral spot. "Danio annulosus" is different from the rest of the Puntius species by many features such as a much shorter pecotal and pelvic fins, the humeral spot is a bit wider and