There is a catfish 30 meters away. According to public information, catfish rarely come to the side and are basically in waters 30-60 meters away. The largest catfish in my country, the largemouth catfish, can grow to 2 meters long and weigh 40 kilograms. It is said that the largest one can reach four meters. In the Amazon River Basin, there is a kind of short-striped flatmouth catfish, which is among the ornamental fish in my country.