Shagreen ray Shagreen ray The shagreen ray or shagreen skate or fuller's ray ("Leucoraja fullonica") is a species of skate in the family Rajidae. This ray is found in the eastern Atlantic Ocean, from Murmansk, Russia through Norway, southern Iceland, the Faroe Islands, the Celtic Sea, the northern North Sea and Skagerrak, to northern Morocco, including (infrequently) the western Mediterranean Sea and the Madeira Islands. It is absent from the shallow waters off England and Wales. Shagreen is a form of roughened untanned leather, typically dyed green and commonly made of the skins of sharks and rays. The common name "fuller's ray"
Cowtail stingray ("Himantura uarnak"), likely because the whiprays are better able to detect predators due to their longer tails. The serrated spine of the cowtail stingray is potentially dangerous, and this species is regarded as particularly dangerous to handle as its long tail is capable of reaching over its back to strike someone gripping it from the front. Small to moderate numbers of cowtail stingrays are caught as bycatch in trawls and marketed for meat throughout their range, and their tough skin is used to polish wood. This species is also the primary source of shagreen or galuchat, a type of leather,