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.).
The smallest US state is unquestionably Rhode Island. It measures 1,545 sq mi (about 4,002 km2). It is approximately 37 miles wide and the length is 48 miles.