Related: 'True rarity': Gigantic alligator gar caught and released in Texas reservoir could break 2 world records This enormous fish is "a truly prehistoric monster," said biologist Jeremy Wade on ...

The dead fish - thought to be an alligator gar - can grow up to 10ft long and weigh 350lbs and is normally found in North America. Tyrese Martin, 16, found it while walking to school on Thursday ...