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
The Shagreen Bone one feels how Balzac was in a hurry to finish on time. Under the pressure of his creditors, he worked himself to the point of exhaustion. As composer and librettist in one, Khanon created a complete spectacle, a compressed version, a sort of extract of the formal ballet language. His aim was to stage not only a ballet but a "ballet about ballet." "The Shagreen Bone" was defined by the author as a rearguard ballet. This is a reference to the past, while keeping the odor of the present. A question that often arises is how has it happened that