The remarkable alligator gar is one of the largest freshwater fish in the New World. It can reach a length of 12 feet and weigh more than a man. One individual caught in the Rio Grande in 1951 weighed 279 pounds. Like all gar, it can gulp air and absorb oxygen through its swim bladder, enabling it to survive in low-oxygen waters.

 

 

 

 

 

 

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