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Books > Sport & Leisure > Natural history, country life & pets > Wild animals > Aquatic creatures
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Rays of the World
(Hardcover)
Peter Last, William T White, Marcelo R. Carvalho, Bernard Seret, Matthias F. W. Stehmann, …
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R3,426
Discovery Miles 34 260
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Ships in 9 - 17 working days
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Rays are among the largest fishes in the sea and have colonized all
oceans. The first cousins of sharks, rays evolved from early
Mesozoic or late Paleozoic shark-like ancestors. They also share
with sharks many life history traits-all are carnivores or
scavengers-and a multitude of morphological and anatomical
characters, such as their skeletons built of cartilage. There are
six families and 633 valid named species of rays, but additional
undescribed species exist for many groups. Our knowledge of many of
the ray species is based on only a small number of individuals, and
few of them have been researched well enough to gain even a basic
understanding of their biology and life history. The insights
gained from molecular analyses of more than three-quarters of
living ray species, combined with reinvigorated morphological
investigations, have led to many changes in both ray classification
and the underpinning species diversity. The recognition of whole
new families and genera of rays, and many newly described species,
have resulted from this research. In the last century, growth in
the trade of rays for food, fins, leather, and curios has fueled
increasing prices and demand for them in many countries. This has
driven significant increases in ray take by commercial fisheries
globally, particularly in the tropical Indo-Pacific. The largely
unconstrained growth in ray catch, low productivity of most ray
species, and general lack of management of their fisheries has lead
to growing concern over the sustainability of stocks throughout the
world. Rays of the World is the first complete pictorial atlas of
the world's ray fauna and features paintings of more than six
hundred species by the fish artist Lindsay Marshall. This
comprehensive overview documents the world's ray fauna and promotes
wider public interest in the group. It also provides general
identifying features and distributional information about this
iconic, but surprisingly poorly known, group of fishes. A valuable
collection of paintings of all living rays (as well as sharks) has
been compiled as part of a multinational research initiative
(Chondrichthyan Tree of Life Project) to gain a better
understanding of the diversity and evolution of this group. Images
sourced from around the planet have been used by the artist to
illustrate all of the rays found in oceans and some tropical
freshwaters of the world.
When a baby is stolen from a Scottish beach, private investigator
Charlie Cameron reluctantly agrees to take the case.While her
parents are just yards away, thirteen-month-old Lily Hamilton is
abducted from Ayr beach in Scotland. Three days later, her
distraught father turns up at private investigator Charlie
Cameron's office. Mark Hamilton believes he knows who has taken his
daughter. And why. Against his better judgment, Charlie takes the
case-and when bodies are discovered, he suspects this may not be an
isolated crime. Is there a serial killer whose work has gone
undetected for decades? Is baby Lily his latest victim? Charlie
won't be able to give up on this case. Memories and guilt from his
childhood won't let him... Owen Mullen is a best-selling author of
psychological and gangland thrillers. His fast-paced, twist-aplenty
stories are perfect for all fans of Robert Galbraith, Ian Rankin
and Ann Cleeves. What readers say about Owen Mullen: 'Owen Mullen
knows how to ramp up the action just when it's needed... he never
fails to give you hard-hitting thrillers that have moments that
will stay with you forever...' 'One of the very best thriller
writers I have ever read.' 'Owen Mullen writes a good story, he
really brings his characters to life and the endings are hard to
guess and never what you expected.'
Silver Nautilus Book Award Winner "Best Book About the Environment"
by Chicago Review of Books An ode to marine life and the natural
world, these essays reveal the elusive lives of whales in the
Pacific Ocean-home to orcas, humpbacks, blue, gray, and sperm
whales Leigh Calvez has spent a dozen years researching, observing,
and probing the lives of the giants of the deep. Here, she relates
the stories of nature's most remarkable creatures, including the
familial orcas in the waters of Washington State and British
Columbia; the migratory humpbacks; the ancient, deep-diving blue
whales, the largest animals on the planet. The lives of these
whales are conveyed through the work of dedicated researchers who
have spent decades tracking them along their secretive routes that
extend for thousands of miles, gleaning their habits and sounds and
distinguishing peculiarities. Calvez author invites the reader onto
a small research catamaran maneuvering among 100-foot long blue
whales off the coast of California; or to join the task of
monitoring patterns of humpback whale movements at the ocean
surface: tail throw, flipper slap, fluke up, or blow. To experience
whales is breathtaking. To understand their lives deepens our
connection with the natural world.
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