Spanish mackerel is actually divided into many varieties, and Spanish mackerel is one of them, also known as ghost knife. It is long and flat, with a round head, yellow body color and a small mouth and sharp teeth. At ordinary times, the Spanish mackerel, also known as the blue-spotted mackerel (scientific name), is long and flat, silvery and bright, with dark stripes or black and blue spots on its back, a big mouth, sharp teeth, a quick swimmer and a fierce temperament. The picture can better illustrate, as shown below:

Spanish mackerel

Spanish mackerel (mackerel)