Alligator Gar - Wikipedia

 
Preserved display of an alligator gar head
Alligator gar maneuvering with pectoral fins in large zoo aquarium

Alligator gar are the largest species in the gar family, and among the largest freshwater fishes found in North America. Mature alligator gar commonly measure 6 ft (1.8 m) in length, and weigh over 100 lb (45 kg). However, anecdotal reports suggest they can grow up to 10 ft (3 m) in length, and weigh as much as 350 lb (159 kg).[8] The largest alligator gar officially recorded was inadvertently caught in the net of fisherman Kenny Williams of Vicksburg, Mississippi, while he was fishing the oxbow lakes of the Mississippi River on February 14, 2011. Williams was pulling up his net on Lake Chotard, expecting to find buffalo fish, but instead discovered a large alligator gar tangled in his net. The gar was 8 ft 5+14 in (2.572 m) long, weighed 327 lb (148 kg), and its girth was 47 in (120 cm). According to wildlife officials, the fish was estimated to be between 50 and 70 years old; one report estimated the gar's age to be at least 95.[9] Williams donated it to the Mississippi Museum of Natural Science in Jackson, where it will remain on display.[10][11]

All gars have torpedo-shaped bodies, but some distinguishing characteristics of adult alligator gar include their large size; heavy bodies; broad heads; short, broad snouts; large, sharp teeth; and a double row of teeth on their upper jaws. They are usually brown or olive colored, fading to a lighter gray or yellow ventral surface. The dorsal and anal fins are positioned toward the back of their bodies, and their caudal fins are abbreviate heterocercal, or nonsymmetrical.[8]

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