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Leopard shark, Triakis semifasciata, shows the spots and grace of its feline namesake. This vigorous shark ranges along the western U.S. coast and serves as a frequent subject for elasmobranch research. See page 75. [Larry Ford, Scripps Aquarium, La Jolla, California]


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Science. ISSN 0036-8075 (print), 1095-9203 (online)