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FISHES OF THE OPEN OCEAN: A NATURAL HISTORY AND ILLUSTRATED GUIDE

di PEPPERELL J. HARVEY G.
editore: DA DEFINIRE (2010)
codice ISBN: 9780226655390
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Between the surface of the sea and depths of two hundred meters lies a remarkable range of fish, generally known as pelagics, or open-ocean dwellers. These creatures are among the largest, fastest, highest-leaping, and most migratory fish on the entire planet. Beautifully adapted to their world, they range from tiny drift fish and plankton-straining whale sharks to more streamlined predators such as tuna, marlin, sailfish, and wahoo. "Fishes of the Open Ocean", from leading marine biologist and world authority on the subject Julian Pepperell, is the first book to comprehensively describe these fishes and explore the complex and often fragile world in which they live. In what will be the definitive book on the subject for years to come - and, with over three hundred color images, the most lavishly produced as well - Pepperell details the environment and biology of every major species of fish that inhabits the open ocean, an expanse that covers 330 million cubic miles and is the largest aquatic habitat on the Earth. The first section of the book introduces the various evolutionary forms these fish have taken, as well as the ways in which specific species interact and coevolve with others in the food web. A chapter on commercial and sport fisheries explores the human element in this realm and considers such issues as sustainability, catch-and-release initiatives, and the risks of extinction. Flying fish, great white sharks, sardines, mackerel, Chinook salmon, giant sunfish - virtually every fish of the open ocean gets its due in this essential resource, a book that will enthrall anglers, mariners, conservationists, and newcomers to the subject alike. The second section of the book provides species accounts of open-ocean dwellers organized by group, with overviews and general descriptions that are inclusive of range and distribution, unique physiological and morphological attributes, and the role of each species within its ecosystem. Global distribution maps, origina