Mekong River Yields World's Largest Freshwater Stingray, a 300-kg Giant, Astonishing Scientists
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World's Largest Freshwater Stingray Discovered in Mekong River, Stuns Scientists
M
Moneycontrol•05-03-2026, 10:50
World's Largest Freshwater Stingray Discovered in Mekong River, Stuns Scientists
•A 300-kg giant freshwater stingray, nearly 4 meters long, found in Cambodia's Mekong River, is now the largest recorded freshwater fish.
•It surpassed the previous record of a 293-kg Mekong giant catfish caught in Thailand in 2005.
•Identified as Urogymnus polylepis, the ray was documented by Wonders of the Mekong researchers and recognized by Guinness World Records.
•Scientists tagged and released the endangered stingray to monitor its movements and understand the secretive species.
•The discovery highlights the Mekong River's extraordinary biodiversity but also raises concerns about threats like overfishing and habitat degradation.
