Rays are among the largest fishes and evolved from shark-like ancestors nearly 200 million years ago. They share with sharks many life history traits: all speci

Examines the natural history and evolution of various species of sharks and rays, members of the same subclass, describing their physical characteristics, feedi

Sharks and rays have long held the fascination of a great many people, and as well as exploring their history, biology, environment and the myths that surround