Cambodian villagers on the Mekong River have caught what researchers say is the world’s biggest freshwater fish ever recorded, a stingray that weighed in at 661 pounds (about 300 kilograms), and took around a dozen men to haul to shore.

(SOURCE) https://www.cnn.com/2022/06/20/asia/cambodia-stingray-heaviest-fish-intl-hnk/index.html