Scomberomorus sinensis

The Chinese mackerel, also known as the Chinese seerfish, is a ray-finned bony fish in the family Scombridae, better known as the mackerel family. More specifically, this fish is a member of the tribe Scomberomorini, the Spanish mackerels. It is a marine species occurring in the Western Pacific Ocean, but it also enters the Mekong River.

Wikipedia →