Giant Catfish Caught In Thailand Nearly 2.7 meters long and as big as a grizzly bear, a huge catfish caught in northern Thailand may be the largest freshwater fish ever recorded. Caught last month in the Mekong River, a team of fishermen struggled for more than an hour to haul the creature in. It tipped the scales at 293 kilograms. Despite efforts to keep the Mekong giant catfish alive,