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.).
1 Rhode Island is the smallest state in size in the United States. It covers an area of 1,214 square miles. Its distances North to South are 48 miles and East to West 37 miles.  Rhode Island was the last of the original thirteen colonies to become a state.