¿Cuántas especies de rayas existen?
Las rayas son un grupo de rayas marinas, peces cartilaginosos emparentados con los tiburones. Se clasifican en el suborden Myliobatoidei del orden Myliobatiformes y constan de ocho familias: Hexatrygonidae (rayas de seis branquias), Plesiobatidae (rayas de aguas profundas), Urolophidae (rayas de aguijón), Urotrygonidae (rayas redondas), Dasyatidae (rayas de cola látigo), Potamotrygonidae (rayas de río), Gymnuridae (rayas mariposa) y Myliobatidae (rayas águila) Se conocen unas 220 especies de rayas organizadas en 29 géneros.
Se conocen unas 220 especies de rayas organizadas en 29 géneros.
How many species of Stingrays are there?
Stingrays are a group of sea rays, which are cartilaginous fish related to sharks. They are classified in the suborder Myliobatoidei of the order Myliobatiformes and consist of eight families: Hexatrygonidae (sixgill stingray), Plesiobatidae (deepwater stingray), Urolophidae (stingarees), Urotrygonidae (round rays), Dasyatidae (whiptail stingrays), Potamotrygonidae (river stingrays), Gymnuridae (butterfly rays) and Myliobatidae (eagle rays).[1][2] There are about 220 known stingray species organized into 29 genera.
There are about 220 known stingray species organized into 29 genera.