Thornback ray, cownose ray and giant devil ray

Thornback ray, Raja clavata 1, Lusitanian cownose ray, Rhinoptera marginata 2, and giant devil ray, Mobula mobular 3, endangered. Raies: Raja bouclee, Raja mourine, Raja cephaloptera. Handcoloured steel engraving by du Casse after an illustration by Adolph Fries from Felix-Edouard Guerin-Meneville's Dictionnaire Pittoresque d'Histoire Naturelle (Picturesque Dictionary of Natural History), Paris, 1834-39. (Photo by: Florilegius/Universal Images Group via Getty Images)