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
Leather-Winged Bat Leather-Winged Bat "Leather-Winged Bat" is a well-known English folk song about a collection of "birds". The song's most used cast members are usually bat, a wood pecker, a blue bird, owl and turtle dove (bats, of course, technically being mammals and not birds). However, depending on the artist, the song can have different creatures. Such as Peter, Paul and Mary's 1969 version which has a bat, a black bird, wood pecker, turtle dove, and a blue jay. Each "bird" has something to say about love and courtship in some sort of rhyming manner. It was recorded by Burl Ives on