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
Paradise fish less aggressive than the wild type, but also less hardy, having more trouble with low temperatures. Paradise fish The paradise fish, "'paradise-fish"', paradisefish, or paradise gourami ("Macropodus opercularis") is a species of gourami found in most types of fresh water in East Asia, ranging from the Korean Peninsula to northern Vietnam. This species can reach a standard length of , though most are only about . Paradise gouramis were one of the first ornamental fish available to western aquarium keepers, having been imported 1869 to France by the French aquarium fish importer Pierre Carbonnier in Paris. The paradise fish is