The cephalopods (squid and octopus) are an integral part of ocean ecosystems, are heavily exploited as a major human food source in fisheries throughout the world and are important animals used in biological research, in areas such as neuroscience. This comprehensive reference work covers all major aspects of these animals. Biology, reproduction and physiology are covered in depth, as well as much information on the species’ interactions in marine ecosystems. A substantial section of the book covers squid and octopus fisheries throughout the world, including fishing methods, and assessment and management aspects of the world’s major fisheries, and their catch trends.