How big is the eight-character ring of visual anchor fish?

Generally, the visual observation of the anchor fish egg line is between 35- 100 cm. Visual inspection of fish anchor is an auxiliary tool, which is more suitable for beginners who have just learned to fish and can improve the chance of catching. /kloc-the resistance between 0/00 m and 50 m is definitely different, the line length is different, and the resistance when put away is also different.