The muskellunge (Esox masquinongy), the terrible pike of the American Lakes. It can reach 

 a length of more than 8 feet and weigh more than 60 pounds. Photograph New York Zoolo- 

 gical Society. 



Young garpikes of the rivers of the Southern United States (Lepisosteus osseus). The adults 

 can measure more than 6 feet in length. Photograph New York Zoological Society. 



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