How was the whale caught?

Fishing gear and ancient whaling used hand-thrown spears, javelins and harpoons as fishing gear. 173 1 uses a hand-held spear gun. It used to be popular in Japan to enclose whales with nets and gill nets and then shoot them with large and small spears. Modern whaling mainly uses whaling guns on the bow deck of whaling ships. Some countries also try electric calipers. Offshore whaling adopts single boat operation; Ocean whaling generally consists of a fleet of whaling ships, whaling ships, whaling ships, tugboats, transport ships, refrigerated ships and tankers. Whale hunters and whaling ships mainly use echo detectors to find whale targets and identify whale species; The whaling ship enters the effective range of 20 ~ 50 meters from the target and fires. After the dead whale is inflated, let it float on the sea surface, insert conspicuous signs or install radio buoys, which are searched by whale tugboats and dragged to whaling work boats.