They knew he was big. For years, staff and visitors at Discovery Green have seen a large fish swimming in the park's 1-acre lake. Koi (Cyprinus carpio) and goldfish (Carassius auratus) are both in the ...

Is a goldfish the "Loch Ness" of a small South Carolina lake? Or is a small koi on the loose? The identity of this fish remains a mystery. Parks and recreation workers in South Carolina found what ...

t the break of dawn, 46-year-old Saiful Mujab of Kemloko village in East Java’s Blitar goes to the rice field. But unlike most farmers, who take with them hoes or sickles, he takes fish food pellets.

Anything strike you as special about this fish here? Well, it's worth 1.8 million dollars. It won grand champion at the All Japan Koi Show in 2017, and is the most expensive koi fish ever sold. Koi ...