1, find the belly of the Duobao fish at the lower left of its head, cut it open with scissors or a small sharp knife, take out the internal organs, and then remove the gills by hand or scissors.

2. Remove the fish scales with the teeth on the edge of the paring knife. After removing them, rinse them repeatedly with clear water and check them several times. In particular, check the edge of the fin and the edge of the fish head to avoid the residual fish scales and affect eating.

3. Wash the Duobao fish under clean water. If it is clear and unclean, the fishy smell will be very strong, and then tear off the fish skin and rinse it off.

Duobao fish, which belongs to Scophthalmus of Scophthalmus, is native to the Atlantic Ocean of Europe, mainly distributed in the North Sea. Their bodies are flat, so they are suitable for benthic life on the seabed. They have high requirements on water temperature and seawater index, and their salinity tolerance is between 12%-40%, and the suitable growth temperature is14-.