How do the Japanese kill sharks?

There is no specific method used solely by the Japanese to kill sharks. Various methods for hunting or culling sharks can include:

1. Commercial Fishing: Sharks can be caught as bycatch or targeted in commercial fishing operations using longlines, gillnets, traps, or harpoons.

2. Shark Nets and Drumlines: In certain coastal areas, some countries may use shark nets or drumlines (baited hooks attached to floats or buoys) to deter sharks from approaching beaches or targeted areas.

3. Spearfishing: Some individuals engage in spearfishing to hunt sharks as a sport or for consumption.

4. Hunting Tournaments: Occasionally, there might be organized fishing tournaments that target sharks, but these practices vary.

It's essential to distinguish that hunting or culling practices for sharks vary around the world and are typically regulated by regional or national authorities based on conservation and ecological factors. Some areas may limit, restrict, or even prohibit certain shark fishing methods to ensure sustainable populations and the balance of marine ecosystems.