Genus Oncorhynchus belongs to the family Salmonidae and comprises several species of freshwater and ocean-going fish commonly known as Pacific salmon. These iconic fish have been historically significant in Alaska and the Pacific Northwest, playing a key role in the indigenous cultures of the region. Some of the synonyms for genus Oncorhynchus are:
- Pacific salmon
- sockeye salmon
- coho salmon
- chinook salmon
- steelhead
- rainbow trout
These synonyms are often used interchangeably to refer to the various species of Pacific salmon and trout, which are all members of the genus Oncorhynchus.