Silurus biwaensis

It has an elongated cylindrical body and can reach up to 1.18 m (3 ft 10 in) in length and weigh as much as 17 kg (37 lb).

[2] Using telemetry methods researchers tried to explain the migratory behavior of the species.

It was found that the fish are more or less site-faithful and mostly stay close to their spawning grounds.

[4] Some fishermen believe that the catfish change their behavior and become very active when an earthquake is imminent.

[5] In Japanese mythology, a giant catfish named Namazu causes earthquakes as he moves below the Earth's surface.

Stuffed specimen