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Recreational fishers and biologist Zeb Hogan hold a live 14-foot-long (4.3-meter-long) giant freshwater stingray the fishers caught in the Bang Pakong River in Chachoengsao, Thailand, on March 31,2008.
After weeks of combing remote Southeast Asian rivers for giant freshwater stingrays-possibly the largest freshwater fish in the world-Hogan finally found the creature near a Thai city. To his surprise, she gave birth soon after the capture.
There are accounts of freshwater stingrays growing as large as 1,000 pounds (45 kilograms), which could make them the largest freshwater fish in the world.
Hogan runs the Natiional Georgraphic Society's Megafishes Project, an effort to document 20 or so freshwater giants.
The giant river rays are extremely difficult to catch, as they bury themselves in mud when hooked.. They routinely break fishers lines and bend finger size hooks when straining to escape capture.
The ray's deadly barb, located at the base of its whiplike tail can easily puncture skin and bone.
National Geographic News
