Behind most myths of the sea, behind most people's sense of fear and respect for the ocean, lurks the shark—the uncontested lord of the deep. Each year scientists try to counter the bad publicity that sharks receive during beach season, and now there is a growing general sense that these fish lead interesting lives beyond what their monstrous reputations would suggest. This guidebook is both a portable encyclopedia and a visually rich tribute to the shark. Complete with color photographs, drawings, graphics, and a series of species data cards, this volume presents the shark's history and biology in a thorough and un-intimidating way.
Represented by over 350 known species and by others yet to be discovered, sharks are the result of an evolutionary process that began about 250 million years ago. This guide helps us to appreciate them as highly specialized ocean predators that combine primitive character traits with behavior typical of superior vertebrates. Covering everything from the legends surrounding sharks, to their fascinating evolution, to their anatomy and variety, to their different types of behavior, Sharks will be enjoyed by anyone wishing to understand more about this "favorite fish to fear."
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adapted anal fin appearance arched areas Atlantic attack Australia body bottom catch catshark centimetres long characteristics close coasts colouring common considered consisting covered creatures crustaceans cusp dark deep demonstrated depth developed dorsal fin DRAWING easily edge elongated enables eyes fairly feeds feeds on fish fish flattened front function fusiform body grey hammerhead head highly includes Indo-Pacific kind known lateral lives lobe lower mainly measures Mediterranean metres million mouth movements narrow nurse shark oceanic organs ovoviviparous Pacific pectoral fins pelagic period pointed position present prey probably protect rear reef shark result robust rounded scales sea bed shape shark Carcharhinus sharp short shows sickle-shaped similar situated snout species spine structure surface swimming tail tailfin takes teeth temperate tiger shark triangular tropical typical upper ventral viviparous waters whale white shark wide