Urotrygonidae: Difference between revisions

'''Urotrygonidae''' is a [[family (taxonomy)|family]] of [[Batoidea|rays]] in the order [[Myliobatiformes]], commonly referred to as the '''American round stingrays''' or '''round rays'''. They are native to the [[tropical]] and warm [[temperate]] marine waters of the [[Americas]]. There are 20 recognized species in this family, grouped into two genera. The two [[genera]] in this family were formerly placed within the family [[Urolophidae]], whose species are now restricted to the [[Indo-Pacific]]. They have a round [[pectoral fin]] disk, a slender tail with a [[caudal fin]], no [[dorsal fin]]s, and a [[venom]]ous tail spine.