Tarpon, a large bony fish. There are two species, the Atlantic tarpon and the Pacific tarpon. The Atlantic tarpon is a popular game fish. It is found on both sides of the Atlantic in shallow tropical and subtropical waters, in brackish waters, and in rivers. The Atlantic tarpon is a powerful fighter, and often makes tremendous leaps to free itself when hooked. Atlantic tarpons grow up to 8 feet (2.4 m) in length and weigh up to 300 pounds (136 kg). They are greenish-black on the back, shading to light silver on the sides and belly.

The Pacific tarpon is much smaller than the Atlantic tarpon, seldom growing as long as 40 inches (1 m). It is found in the Indian and Pacific oceans, from Africa to Guam.

Tarpons belong to the family Elopidae. The Atlantic tarpon is Megalops atlantica; the Pacific, M. cyprinoides.

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