Fish wheel salmon species Chinook, Chum, Coho, Sockeye, and Pink) and other anadromous species of fish, has given fish wheels their second name as "salmon" wheels. Although salmon were prioritized by commercial fishers and Indigenous peoples (albeit for different reasons,) other fish such as steelhead trout ("Oncorhynchus mykiss"), ooligan ("Thaleichthys pacificus"), and lamprey ("Lampetra tridentata") were also considered valuable catch. While the fish wheel is best known for its presence on the Northwestern coast of North America, there is debate whether the technology arrived via Asian migrants who had come to labor in the gold fields, by Scottish and Russian migrants, or
Sockeye salmon National Marine Fisheries Service. Other sockeye populations in the upper Columbia River and in Puget Sound are not listed under the Act. Sockeye is an exception to 2010's forecast resurgence of Oregonian fish stocks. Spring Chinook, summer steelhead, and Coho are forecast to increase by up to 100% over 2008 populations. The sockeye population peaked at over 200,000 in 2008 and were forecast to decline to just over 100,000 in 2010. As an early indication of the unexpectedly high sockeye run in 2010, on July 2, 2010, the United States Army Corps of Engineers reported over 300,000 sockeye had passed