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 country of Wales, part of the United Kingdom, is closest in size to the US state of New Jersey. (Wales: 8,022, sq miles, New Jersey 8,721 sq. miles.).
New Jersey is the closest size to Wales. Wales is 8,022 Square Miles, while New Jersey is 8,729 Square Miles (still a big difference).