Why do you catch tuna when you pull tuna?

Inertia tuna preys fast, and can't tell whether it is sardine or fishhook, so it bites the fishhook. Once the tuna bites the hook, the fishermen quickly pull the fish up and throw it on the deck behind them by inertia. A man's method of catching tuna and bonito with fishing line and hook. This is a traditional fishing method circulating in Japan. Man and fish, one-on-one confrontation, Aomori often uses this fishing method to catch tuna. In our daily life, it also means "breaking one by one".