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Sharks: Ancient Predators in a Modern Sea

Art / PhotobookPopular Science

By: Salvador Jorgensen (Author)

256 pages, 150 colour photos

Firefly Books

Hardback | Oct 2013 | #206726 | ISBN-13: 9781770852334
Availability: Usually dispatched within 6 days Details
NHBS Price: £24.99 $31/€29 approx

About this book

Sharks are exquisite creatures refined and honed by competitive forces that have lived in balance with ocean prey for millions of years. They live in every ocean habitat on Earth, from shallow tide pools to the deep abyss, and from the open ocean to where rivers meet the sea. In Sharks: Ancient Predators in a Modern Sea a top research scientist explores what has made sharks such successful predators, how they differ from other animals in their biological success and what unique advantages evolution has conferred.

Sharks is illustrated with uniquely sourced photography demonstrating newly observed behaviour, scientific findings and recent developments in our understanding of how they live. Sharks: Ancient Predators in a Modern Sea is both a spectacular visual celebration, and a scientific document that explores in detail their unique physiology. A powerful swimming stroke is delivered from sharks' muscles directly to their tough skin shell forcing their body to 'inflate' like a car tyre with each flex, then quickly become fluid to glide as the muscles relax. By diving through the various water layers, a shark may locate and follow chemical scent trails that could lead to food concentrations. Thus a shark moving from one temperature layer to the next can expose its sensory equipment to new chemical cues and potentially new food sources.

Some deep-sea sharks also lure prey with their light-producing organs. Salvador Jorgensen has combined the latest discoveries of new species, newly documented shark behaviour, and the best photographs, to give a 'state-of-knowledge' picture of sharks. Unique pictures of shark births, recently discovered creatures from the Ocean Census research, and details of sharks' skin, eyes, teeth and heads (including a comparison of nine different hammerhead varieties) make Sharks: Ancient Predators in a Modern Sea a book every shark enthusiast will want. It will also debunk many myths about shark behaviour, and give libraries a true, 21st-century documentation of a very popular wild animal.

Sharks: Ancient Predators in a Modern Sea features illustrated profiles of species living in the shallow reefs and also those living in the open ocean along with a unique 'cladogram' family tree that opens into a gatefold and profiles every known species.


Contents

Introduction

1 The Diversity of Sharks

    Diverse Forms: The Shark Family Tree
    Diverse Habits

2 Life Histories

    Life History Strategies
    Reproductive Strategies
    Mating Strategies

3 Form and Function

    Skin
    Coloration
    Bioluminescence
    Teeth
    Cartilage
    Dorsal Fin
    Endothermy
    Enlarged Liver
    Sensory Arsenal
    Body Plan

4 Strategies and Behaviors

    Homing Instincts
    Yoyo Diving
    Lean, Mean and Clean
    Social Distractions
    Foraging Strategies
    Shark Predators

5 Threats and Hopes

    Shark Products on the Market
    Hunting Newborns
    Fear and Fascination
    Can Sharks Survive?

References
Index
Photo Credits


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Biography

Salvador Jorgensen is a Research Scientist at the Monterey Bay Aquarium where he studies the ecology, migration and population dynamics of great white sharks. He completed a Ph.D. in Ecology at U.C. Davis and a postdoctoral fellowship at Stanford University. He was a Fulbright scholar in Mexico in 2004 and has published over 20 peer review articles. He lives with his wife and their son in Monterey, California.

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