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
Skin Deep (webcomic) often works to establish a theme of different versions of normalcy, promoting acceptance and diversity. The story of Skin Deep chronicles around a world where most, if not all, mythical creatures, objects and terminology (e.g magic) exist, but are hidden away from the world of humans. Most Mythical Creatures have magical medallions, which can hide their true forms from human sight. The comic is split into chapters, some of which are single multi-page short stories, others are multi-chaptered long stories. The story, as of February 2018, mostly takes place in the year 2004, though one story takes place in the