Salmon means the following species:
(1) Chinook (or king) salmon (Oncorhynchus tshawytscha);
(2) Coho (or silver) salmon (O. kisutch);
(3) Pink (or humpback) salmon (O. gorbuscha);
(4) Sockeye (or red) salmon (O. nerka); and
(5) Chum (or dog) salmon (O. keta).
50 CFR § 679.2
In addition to the definitions in the Magnuson-Stevens Act and in part 600 of this chapter, the terms used in this part have the following meanings: