This term refers to several species in the genus Oncorhynchus, including Chinook, Coho, and Sockeye Salmon. These anadromous fish are born in freshwater, migrate to the ocean, and retur... This term refers to several species in the genus Oncorhynchus, including Chinook, Coho, and Sockeye Salmon. These anadromous fish are born in freshwater, migrate to the ocean, and return to freshwater to spawn. Salmon are highly valued for their commercial, recreational, and cultural significance. They are also crucial for ecosystems, providing nutrients to both aquatic and terrestrial environments during their spawning migrations.Click here to read more about Salmon.