01
Kill the fish well and wash it, use to cut off the head first.
02
Using the hand to flatten the fish body, one hand to press the fish body, the other hand holding the knife close to the fish bone transversely will be cut off the meat on the fish.
03
Following the same method, cut the flesh off the other side of the fish.
04
After cutting off, remove the spines from both pieces of fish flesh, and you can fillet the fish with the extracted spines.