1, winter goes and spring comes, the activity of fish is weak, and there are too few choices of hooks. When fishing one or two crucian carp, No.2 sleeve hook should be used in summer and autumn, and 1 sleeve hook should be selected in winter.

2. Physical fitness and activity are very different, and the strength of struggling after catching fish is also different. Generally speaking, the hook should be small when fishing for crucian carp, which is quiet in temperament and weak in struggle after being hooked, and slightly larger when fishing for carp, grass carp and silver carp with strong physique and activity. Wild fish have great strength, and the hook is slightly larger, while fish caught repeatedly have a slightly smaller hook.

3, crucian carp, carp, etc. , is a soft-lipped fish. The hooks used by these fish should be small but not big. Grass carp, herring, silver carp, bighead carp, etc. , slightly larger and thicker than soft-lipped fish, snakehead is hard-lipped fish, so you should choose big hook.

Always check the hook. If the hook rusts or becomes dull, polish it with a small piece of fine sandpaper to make it bright and sharp. If the hook that can no longer be used is eliminated immediately, don't think the hook is expensive, just buy a new one.