In China, "mullet" and "black fish" usually refer to the same fish, that is, fish from the family Perciformidae, commonly known as "black fish". In the south, they are often called "mullet" ". This fish usually has an elongated body, flat sides, and a dark, dark-brown body surface, so it is called "black fish" or "mullet".
It should be noted that due to differences in region and speaking habits, people in some areas may call this fish differently. But generally speaking, "mullet" and "blackfish" usually refer to the same fish.
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