Farm-raised, fresh-water Paiche have journeyed from the murky Amazon to restaurants in cities from Houston to Paris. The low-fat, mercury-free white fish may soon be available at select U.S. grocery stores.

Paiche, which at up to 220 pounds (100 kgs)is one of the world's largest fish, fed spear-fishing indigenous peoples for centuries. But their numbers dwindled when nets were introduced in the Amazon and the region's cities grew and developed.

Amazone, a company backed by Peruvian mining and cement conglomerate the Hochschild Group, hopes to save the species from extinction by breeding organic, farm-raised fish for export and releasing some back into the wild.

Read the complete story from Reuters