Potts, Geoffrey W.
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Paperback
256 pages
240 Colour Illustrations
Published: 1999
Publisher: HarperCollins Publishers
ISBN / EAN: 000472271X
Reissue with a new cover. Sharks and rays are one of the oldest and most diverse groups of vertebrates, dating back more than 350 million years, and their shape means that they are ideally adapted for life in the world's oceans. This text describes 240
