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Nurse sharks are suction feeders. They can suck a conch right out of its shell! Young readers will be eager to open the cover of this title that highlights the habitat, physical features, and behavior of nurse sharks. Fun features including a range map, diet and body part identifiers, and a size comparison provide visual support to the text. A full-spread profile puts all of the shark’s specs in one place!
Dive into the underwater world of the nurse shark! This book's large, up-close photographs will impress readers as they learn about the nurse shark's size, appearance, and special features, such as its small mouth and dangling barbels. A labeled diagram gives readers a full-body view of this lazy swimmer. The nurse shark's diet, life cycle, and habitat are also introduced, and a colorful map shows where nurse sharks live. Readers will also learn about the nurse shark's special senses such as its lateral line, and how this nighttime hunter uses them to outlast humans and other threats. A facts page, bolded glossary terms, and an index supplement the easy-to-read chapter text. Checkerboard Library is an imprint of ABDO Publishing Company.
This book reviews the current status of, and threats to, shark populations globally with special reference to the basking shark and the great white shark. This book outlines why sharks are a valuable resource, identifies threats to sharks and where they occur and reviews what we need to know about sharks in order to protect them. Fisheries management procedures are investigated to target areas requiring future research and implementation. Conservation initiatives, legislation, and international agreements are reviewed and future measures suggested. Case histories on the basking shark and the great white shark detail threats specific to these species and identify research and management requirements.
Do sharks lay eggs or give birth to live young? Do sharks sleep? How long do they live? How likely are shark attacks? This book answers your questions about some of nature’s most misunderstood animals. Answering every conceivable question about sharks, authors Gene Helfman and George H. Burgess describe the fascinating biology, behavior, diversity (there are more than 1,000 species worldwide), and cultural importance of sharks, their close relationship to skates and rays, and their critical role in healthy ecosystems. Helfman and Burgess take readers on a round-the-world tour of shark habitats, which include oceans as well as lakes and even rivers (as far up the Mississippi as St. Louis). They describe huge, ferocious predators like (Great) White and Tiger sharks and species such as Basking and Whale sharks that feed on microscopic prey yet can grow to lengths of more than 40 feet. The mysterious and powerful Greenland shark, the authors explain, reaches a weight of 2,200 pounds on a diet of seal flesh. Small (less than 2-foot long) Cookiecutter sharks attack other sharks and even take a chunk out of the occasional swimmer. Despite our natural fascination with sharks, we have become their worst enemy. Many shark species are in serious decline and a number are threatened with extinction as a result of overfishing and persecution. Sharks: The Animal Answer Guide presents a perfect mix of current science, history, anthropology, intriguing facts, and gripping photographs. Whether your fascination with sharks stems from fear or curiosity, your knowledge of these animals will improve immensely when you consult this book.
Dive into this book to learn all about nurse sharks. Readers will take in information about a nurse shark's preferred habitat, what it likes to eat, and more alongside amazing underwater photographs.
Sharks don't deserve the bad press they get, according to diver and photographer Jeff Rotman. Dive with him to the ocean floor to see the sharks and other creatures he calls living sculptures, from stingrays to the unusual wobbegong shark and other fascinating species. Look beyond the headlines and get to know the real story of sharks, their surprising beauty, and the important roles they play in their underwater world.
Immunobiology of the Shark by Sylvia L. Smith,Robert B. Sim,Martin F. Flajnik Pdf
Immunity studies in sharks over the past three decades have produced some remarkable discoveries. If one message rings true, it is that alternative animal model systems, such as sharks and their relatives, have contributed very substantially to a better understanding of the development evolution of our own immune system. Immunobiology of the Shark describes the cellular, genetic, and molecular specifics of immune systems in sharks. Diverse approaches were employed to study the immunobiology of the shark from basic microscopic observations to detailed genome annotation. The book also raises a series of fascinating questions, which can be addressed experimentally using today’s technology. This book will be a valuable resource for mainstream immunologists, comparative immunologists, geneticists, ecologists, evolutionary biologists, and investigators engaged in shark research. The book also aims to illustrate the magnificence of these animals as model systems and underscores the importance of their study to further understand their complex, and often enigmatic, biology.
Fearsome predators lurk in both the depths and the shallow waters of the worlds oceans, waiting to attack their prey with clever precision. Vibrant photographs will provide an up-close look into the world of sharks that will fascinate readers. Clear and informative text explains the extreme advantages this ancient predator has over its prey and engaging facts will keep readers entertained from cover to cover.
Field Guide to Sharks, Rays & Chimaeras of Europe and the Mediterranean by David A. Ebert,Marc Dando Pdf
The definitive field guide to all the sharks, rays and chimaeras of the European Atlantic and Mediterranean The waters of the northeast Atlantic and Mediterranean Sea are home to an amazing variety of sharks, rays and chimaeras. This comprehensive and easy-to-use field guide covers all 146 species found in the Mediterranean, the waters of the European Atlantic and Iceland, along all the Scandinavian coasts, in the Black Sea and as far south as the Canary Islands. Detailed species accounts describe key identification features, habitat, biology and status. Every species account comes with a colour distribution map, a depth guide, at-a-glance icons and colour illustrations. This must-have field guide also features illustrated key guides that enable you to accurately identify down to species, comparison plates of similar species, illustrations of eggcases where known and plates of teeth. The first field guide to cover all 146 species Features hundreds of colour illustrations, photos, maps and diagrams Describes key features, habitat, biology and status Includes depth guides, at-a-glance icons, key guides and teeth plates