This chapter presents an overview of crab fisheries and commercial crabbing. Millions earn their living in commercial fisheries, and many people still depend on seafood as their primary source of protein. Although dwarfed by fisheries for finfish, crab fisheries are important in many countries. Hence the chapter looks at the gear used in crabbing, as well as the regulations and management in place for such ventures. The chapter also shows how the very high catch rates of modern industrialized fishing fleets have had widespread effects on fished species, nontarget species, and marine habitats. Overfishing continues to be a major threat to marine ecosystems and vulnerable species throughout the world.
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