1, families and species are different: mackerel is a fish of Perciformes, Sparidae and Sparidae, while mackerel is a fish of Perciformes, Sparidae and Sparidae.

2. Different shapes: Mackerel is tall, spindle-shaped, with a big head and a snout. There are a row of small fins on both sides of the dorsal fin base, while the mackerel is long and spindle-shaped, with a large head and a blunt snout, and there is an oblique forward sharp edge in front of the dorsal fin base.