Horse wrestling fish spines are not poisonous, as with other fish, do not be stabbed when cleaning, to avoid infection. The flesh of the fish is even more non-toxic and can be consumed without fear. Overnight not fresh horse mackerel is not suitable for consumption, in order to avoid poisoning. Mackerel is mainly distributed in the western part of the North Pacific Ocean and the Yellow Sea and Bohai Sea in China. It belongs to the sea fish, try to avoid being stabbed by fish spines.