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About Megafishes
Biologist Zeb Hogan leads the Megafishes Project, a three-year effort to document the 20-some species of freshwater fish at least 6.5 feet (2 meters) in length or 220 pounds (100 kilograms) in weight. These fish are losing the fight for survival, as pollution, overfishing, and construction threaten the rivers and lakes they call home.
Donate to the Megafish Project and help protect these freshwater giants.
Megafishes Videos
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River Catfish Release
The river catfish, also known as the iridescent shark catfish, is a threatened migratory catfish of Southeast Asia. Zeb and his team have tagged over 3,000 individuals to learn more about their behavior.
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Mekong Giant Catfish
The Mekong giant catfish is a gentle giant that survives on a diet of plant matter and algae.
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Chao Phraya Catfish
The chao phraya catfish, also known as the dog-eating catfish, is now extremely rare in the wild and in urgent need of study to assess its conservation status.
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Giant Freshwater Stingray
Unknown to science until 1990, the giant freshwater stingray is an elusive creature that inhabits deep rivers in Southeast Asia, Indonesia, Malaysia, and northern Australia.
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Giant River Stingrays Found
After an exhaustive search, Zeb Hogan finds one of the elusive rays in Cambodia.
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