kaluga sturgeon

These fish hold record in nature
Whale sharks are the largest surviving fish, while 7 mm Paedocypris carp is the smallest in the world.
The mystery of giant sturgeon, weighs a ton
Kaluga sturgeon with scientific name is Huso dauricus, is one of the giant fish species. This is the largest freshwater fish in the world and classified as extremely endangered
Catch giant sturgeon in China
Fishermen in northeastern China have caught a sturgeon weighing more than half a ton. This is the largest freshwater fish in the world and nearly extinct.