Taxonomy
The zebrafish is a derived member of the genus Danio, of the family Cyprinidae. It has a sister-group relationship with Danio kyathit. Zebrafish are also closely related to the genus Devario, as demonstrated by a phylogenetic tree of close species. The zebrafish was referred to in literature as Brachydanio rerio for many years until its reassignment to the genus Danio.
Read more about this topic: Zebrafish