The Mekong giant catfish is the official freshwater heavyweight champion of the world. According to the Guinness Book of Records, a nine-foot-long individual caught in northern Thailand in 2005 ...
A 300kg (661lb) stingray caught in the Mekong river in Cambodia is the biggest freshwater fish ever documented, scientists say. It unseated the previous record-holder, a 646lb (293kg) Mekong giant ...