Japanese angelshark is eaten and the rough skin is made into a type of leather called shagreen for use in wood finishing. Angel sharks in general are highly threatened by commercial trawl fisheries due to their susceptibility to capture and low rate of reproduction, and angel shark species elsewhere are known to have declined markedly under fishing pressure. Trawling activity in the Yellow Sea and other parts of the northwestern Pacific is intense and, coupled with pollution, has had a serious impact on the local ecosystem. The Japanese angelshark population is suspected to have declined by up to 50% or more under
Ostrich leather less trade restrictions, were able to supply ostrich leather at lower prices. Now there are several ostrich ranches and tanneries in the U.S., but with a 150-year head start Klein Karoo Group is still considered the industry leader, and South Africa the centre of ostrich leather production. Like other skins, ostrich is a small-area skin compared to bovine and horse hides, and is ranked by the follicles per area since they thin out further away from the neck. It is processed consequently in a more particular way to preserve the largest possible area for processing and treatments, and is put