front cover of Jellyfish
Jellyfish
Peter Williams
Reaktion Books, 2020
Jellyfish are, like the mythical Medusa, both beautiful and potentially dangerous. Found from pole to tropic, these mesmeric creatures form an important part of the sea’s plankton and vary in size from the gigantic to the minute. Perceived as almost alien creatures and seen as best avoided, jellyfish nevertheless have the power to fascinate: with the sheer beauty of their translucent bells and long, trailing tentacles, with a mouth that doubles as an anus, and without a head or brain. Drawing upon myth and historical sources as well as modern scientific advances, this book examines our ambiguous relationship with these ancient and yet ill-understood animals, describing their surprisingly complex anatomy, weaponry, and habits, and their vital contributions to the ocean’s ecosystems.
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front cover of Jellyfish
Jellyfish
A Natural History
Lisa-ann Gershwin
University of Chicago Press, 2016
Jellyfish, with their undulating umbrella-shaped bells and sprawling tentacles, are as fascinating and beautiful as they are frightening and dangerous. They are found in every ocean at every depth, and they are the oldest multi-organed life form on the planet, having inhabited the ocean for more than five hundred million years. In many places they are also vastly increasing in number, and these population blooms may be an ominous indicator of the rising temperatures and toxicity of the world’s oceans.

Jellyfish presents these aquarium favorites in all their extraordinary and captivating beauty. Fifty unique species, from stalked jellyfish to black sea nettles, are presented in stunning color photographs along with the most current scientific information on their anatomy, history, distribution, position in the water, and environmental status. Foremost jellyfish expert Lisa-ann Gershwin provides an insightful look at the natural history and biology of each of these spellbinding creatures, while offering a timely take on their place in the rapidly changing and deteriorating condition of the oceans. Readers will learn about immortal jellyfish who live and die and live again as well as those who camouflage themselves amid sea grasses and shells, hiding in plain sight.
 
Approachably written and based in the latest science and ecology, this colorful book provides an authoritative guide to these ethereal marine wonders.
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