They are the same kind of fish.

Salmon is also known as: northern trout, chum salmon, rooster fish, mahi-mahi, and mahi-mahi.

Salmon (scientific name Oncorhynchus) its English word meaning "salmon" salmon is divided into the salmon family Salmonidae salmon and salmon family trout, so it is accurate to say that Salmon is salmon trout. There are two types of trout in the Salmonidae family: sea trout and rainbow trout.

Salmon, also known as Salmon or Salmon, is one of the more commonly used fish ingredients in Western cuisine. The consumer market salmon in different countries covers different species, Norwegian salmon is mainly Atlantic salmon, Finnish salmon is mainly farmed large-size red meat rainbow trout, and salmon in the United States is mainly Alaskan salmon. Salmon generally refers to the salmoniform order Salmonidae Pacific salmon genus of fish, there are many kinds, China's Northeast production of salmon and humpback salmon and so on.