Trending Giant 14ft, 800lb Stingray Caught By Jeff Corwin By Peter Scott - March 13, 2015 FacebookTwitterWhatsApp The biggest freshwater fish to be caught, this 14ft 800lb stingray is a monster. Reeled in in almost 2 hours on the Mae Klong river in Thailand by nature conservationist Jeff Corwin and several men. See also Lincoln Cathedral: A Nexus of Mystery and the Supernatural?