Potentially dangerous shark (Galeocerdo cuvieri, family Carcharhinidae), found worldwide in warm oceans, from the shoreline to the open sea. Up to 18 ft (5.5 m) long, the grayish tiger shark has a long, pointed upper tail lobe, and its large teeth are deeply notched along one side. This voracious shark eats fishes, other sharks, turtles, mollusks, birds, carrion, and garbage, including coal, tin cans, and clothing. It is a source of leather and liver oil. See also sand shark.
This entry comes from Encyclopædia Britannica Concise.
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