Nov 8, 2010
Giant arapaima and diver
Arapaima – a large South American freshwater fish (Arapaima gigas) that typically attains a length of 3 meters (10 feet).
This photo of an adult arapaima was taken by a diver in Manaus, Brazil. As one of the world’s largest freshwater fish, some big arapaima, the length up to 3 meters and weight up to 180 kg. Now, due to over-predation these big fish have been in danger of extinction.
Since 2003, never found a wild paddlefish. Scientists fear the fish is actually extinct.
Chinese sturgeon has been listed as endangered species
Cambodia Giant Barb
The young of Giant stingray
An adult Giant stingray can weigh up from 90 to 140 kg and be length of 4 meters. Scientists believe that giant stingrays is the world’s largest freshwater fish
They are very long life; scientists confirmed in 1953 in Canada, a two-meter-long lake sturgeon had been 152 years old.
Mekong giant catfish, up to 3 meters and can weigh 650 kilograms.
In the past 20 years, the decrease in number is 90%.
Hucho taimen pallas
It is the world’s largest salmon, and had known of their greedy.
Tagged: amazing, awesome, big fish, Cool, discovery, extinction, fish, freshwater fish, large fish, largest freshwater fish, research, risk of extinction, science, specimens, study, world's largest fish, world's largest freshwater fish