"Hera Crucian carp" is an artificially created fish for game fishing in Japan. Because the Hera crucian carp is taller than a normal crucian carp, its strength is a very strong. It is not easy to catch and it attracts anglers.
Also, very sophisticated tools have been developed. The floats and rods are gems with craftsmanship and can be said to be traditional crafts, and some of them are extremely expensive.
Hera Crucian Carp