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Also known as Sphyrna tiburo, shovelhead

The bonnethead (Sphyrna tiburo), also called a bonnet shark or shovelhead, is the smallest member of the hammerhead shark genus Sphyrna, and part of the family Sphyrnidae. It is an abundant species in the littoral zone of the North Atlantic and the Gulf of Mexico, is the only shark species known to display sexual dimorphism in the morphology of the head, and is one of two shark species known to be omnivorous.