There are many varieties of stingray. Each has distinctive markings and patterns. Saltwater stingray have evolved a tough skin covered with bony plates and tanneries have developed methods for softening the hard-wearing hides to make them pliable.
Saltwater stingrays are caught for food in many countries. As a by-product of the fishing industry, the skin is used for applications including shoes, boots, belts, wallets and knife handles.