<p><b>The definitive resource on tunas and billfishes from the world''s top authorities.</b></p><p>Tunas and billfishes are peak predators of the oceans. Admired by scientists and naturalists for their speed, grace, unique physiology, and diversity, they are important both ecologically and socioeconomically. Vital sources of food and income for many maritime nations, whose fleets of vessels target them with huge purse seines or miles-long lines, these exhilarating fishes are also highly desired and avidly sought by big game fishers across the globe.</p><p>In <i>Tunas and Billfishes of the World</i>, Bruce Collette, a leading marine ichthyologist and conservationist, and John Graves, an expert on the biology, fisheries, and management of tunas and billfishes, focus on three families of fishes: Scombridae, the mackerels and tunas; Istiophoridae, sailfish and marlins; and Xiphiidae, the Swordfish. Over the course of 61 in-depth species accounts, Collette and Graves</p><p>¿ describe what e
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<p><b>The defining masterwork on the evolution of reptiles.</b></p><p>Over 300 million years ago, an early land vertebrate developed an egg that contained the embryo in an amnion, allowing it to be deposited on land. This...
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A brand new dinosaur sticker book with contemporary artwork and over 100 bright, colourful stickers.
kr 129.00
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Offers an introduction to life in the world's oceans. This title includes 100 re-useable stickers of fish, mammals, amphibians and invertebrates, ranging from the white shark to the seahorse. It is intended for kids who want to know more about the...
kr 99.00
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The human species is very young, but in a short time it has acquired some striking, if biologically superficial, variations across the planet. As this book shows, however, none of those biological variations can be understood in terms of discrete races,...
kr 199.00
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