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
Creatures the World Forgot of the first and third of the series. "Creatures the World Forgot" is not related to two later, similarly titled films, "The Land That Time Forgot" (1975), and "The People That Time Forgot" (1977). These were made by Amicus Productions and both starred Doug McClure. Creatures the World Forgot Creatures the World Forgot is a 1971 adventure film directed by Don Chaffey and produced and written for Hammer Films by Michael Carreras. The film concentrates on the daily struggle to survive of a tribe of Stone Age men. Very little dialogue is spoken throughout the film, apart from a few