humpback salmon

noun1

1. •
   a small salmon (Oncorhynchus gorbuscha), which ascends Pacific coast rivers of Asia and of America from California to Alaska.

   • The six species of Pacific salmon (Oncorhynchus) are Chinook (king), Coho (silver), Sockeye (red), Chum (dog), Pink (humpback or humpy), and Cherry. — 2012