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Sharks
A01=Gene Helfman
A01=George H. Burgess
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Author_Gene Helfman
Author_George H. Burgess
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Category1=Non-Fiction
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Category=WNCS
chimaeras
COP=United States
Delivery_Delivery within 10-20 working days
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Language_English
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rays
sawfish
shark attacks
shark behavior
shark biology
shark conservation
shark ecology
shark natural history
Sharks
skates
softlaunch
Product details
- ISBN 9781421413099
- Weight: 612g
- Dimensions: 178 x 254mm
- Publication Date: 10 Jul 2014
- Publisher: Johns Hopkins University Press
- Publication City/Country: US
- Product Form: Paperback
- Language: English
Delivery/Collection within 10-20 working days
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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.
Gene Helfman is a professor emeritus at the Odum School of Ecology's Program in Conservation Ecology and Sustainable Development, University of Georgia. He is co-author of Fishes: The Animal Answer Guide, also published by Johns Hopkins. George H. Burgess is coordinator of museum operations and director of the Florida Program for Shark Research at the Florida Museum of Natural History.
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