The amazing thing is that neither of these two types of fish are true cod. There are many kinds of fish that are called "cod" in customary and commercial terms, including yellow thread pollock ("Alaska cod", also called pollock) fish, cod patties and crab sticks are made from it), more than a dozen commercial fish species of the hake family (kindly called hake or whiting by merchants), Pacific halibut, which has nothing to do with cod ("Iceland") "Cod", also called flat cod, is more expensive than lobster. It's not a loss if you buy it as cod, Platyformes), also has nothing to do with cod (called cod, pseudonyms include black cod, blue cod , Scorpniformes), etc., will all be given this name. And these fake Li Kui and real Li Gui are even more famous than Li Kui. If you trace back to their origins and study the life experience of cod, it is actually this: among the fish there is the order Codidae, within the order Codidae there is the family Codidae, and in the family Codidae there is There are three species of cod in the genus Cod, namely Atlantic cod, Greenland cod and Pacific cod. These three are authentic cod. Other cods, some are only from the family Codidae, and some don’t even belong to the order Codidae, so they are not authentic cods.
Distinguishing cod and flat cod is very simple based on their appearance. Do you know the flat flounder? Flat cod is halibut, so it is flat and is sold into flat fish bodies. Silver cod is a naked fish, very similar to cod, with a long body, a big head, a big mouth, a big belly, and no whiskers.