This was a Kaluga sturgeon, which is the largest variety of sturgeon. It lives along the west coast of the United States between the Aleutian Islands to Central California, with the largest number being in the Columbia River Basin. Mature Sturgeon can reach 20 feet in length, weigh between 1,000 and 2,000 pounds, and can live for 100 years. As of 2012, the recognized world record for the largest sturgeon caught by man is a 1,360 pound fish caught in the Heilongjiang River in the town of Tongjiang. The "White Sturgeon" is the largest freshwater fish in North America. It was released on the Fraser River… On Thursday, Paul Jarvis, and his dad, Don, were on the first day of a three-day father-son fishing trip when Paul hooked into one of the largest white sturgeon ever caught on the Fraser River. Kaluga sturgeon are in danger of being eradicated due to over fishing. However, the largest white sturgeon caught by a fisherman is believed to be the estimated 1,100-pounder measuring 12 feet, 4 inches caught in July 2012.