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How to dissect fish
1. Scrape fish scales. Put the fish horizontally on the chopping block, hold the fish in your left hand and the scale scraper in your right hand. Scrape the fish scales in the opposite direction and clean the fish scales.

2. Open the cavity for the fish, put the fish horizontally and vertically on the vertical board, hold the fish body in your left hand, and cut the belly with a knife in your right hand. Be careful not to cut the knife at the midline of the fish belly, which will touch the fin bone. Cut the knife a little;

3. Take out all the fish guts and throw them away. Be careful not to push too hard, so as not to break the fish gall.

There are gills on both sides of the fish head. Cut both ends of fish gills with scissors, pull them out by hand and throw them away;

5. Wash the fishing line with water.