[PDF.85pn] Sharks and their Relatives: Ecology And Conservation (Occasional Papers of the Iucn Species Survival Commission, No. 20.)

Sharks and their relatives, the rays and chimaeras, are the diverse group of cartilaginous fishes that have evolved over 400 million years. Historically considered of low economic value to large-scale fisheries, today many of these fishes have become the target of directed commercial and recreational fisheries around the world, and they are increasingly taken in the by-catch of fisheries targeting other species. This report emphasizes the widely-acknowledged need...

You easily download any file type for your device.Sharks and their Relatives: Ecology And Conservation (Occasional Papers of the Iucn Species Survival Commission, No. 20.)   |  Merry Camhi. A good, fresh read, highly recommended.