Dwarf Round Ray

Urotrygon est un genre de raie. Liste des espèces Urotrygon aspidura (Jordan et Gilbert, 1882) Urotrygon caudispinosus Hildebrand, 1946 Urotrygon chilensis (Günther, 1872) Urotrygon cimar López S.

Urotrygon nana, the dwarf round ray, is a type of marine tropical ray found in fragmented localities across the south coasts of Central America. Description Not much is known of its biology, except the fact that it is a benthic ray with a venomous spine on its tail. This species can reach a maximum total length of 32 cm, even though the common length is just around 15 cm.

Los urolófidos (Urolophidae) son una familia de peces cartilaginosos, elasmobranquios del orden Rajiformes, con forma discoidal o redondeada, que agrupa al menos 44 especies. Especies Hay 44 especies en cuatro géneros: Género Trygonoptera Trygonoptera mucosa (Whitley, 1939). Trygonoptera ovalis Last & Gomon, 1987.