The lake whitefish (Coregonus clupeaformis) is a species of freshwater whitefish from North America. They are found throughout much of Canada and parts of the northern United States of Minnesota and Michigan, including the Great Lakes. A valuable commercial fish, whitefish are also occasionally taken by sport fishermen. Their colouration is olive-green to blue on the back, with silvery sides. They have a small mouth below a rounded snout, and a deeply forked tail. On average, they reach 18". They are found in freshwater lakes where they prefer deep, cool water. Lake whitefish spawn from September through January in water two to four metres in depth. A large spawning migration enters the Athabasca Delta in late summer, moving upstream in the Athabasca River. The longest single movement of a tagged whitefish ever recorded was 388 km (240 miles), from Fort McMurray to the north shore of Lake Athabasca in Alberta Canada. The lake whitefish is considered Least Concern on the IUCN Red List list. However, the distinct stock called Lake Simcoe Whitefish is considered Threatened species on the red list. Natural predators include burbot, lake trout and northern pike. Primarily bottom feeders, lake whitefish eat crustaceans, snails, insects and other small aquatic organisms.

Sherman Foote Denton (1856-1937) was born in Wellesley, Massachusetts , S.F. Denton was a multi-talented artist, scientist and skilled entrepreneur in business. His interest in natural history encompassed not only fish, but butterflies and moths, insects, birds, fossils, freshwater pearls and gems. During the 1880s, he and his brothers went on trips to the Western U.S. and accompanied their father, a geologist, on an expedition to Australia, New Zealand and New Guinea, where collected natural history specimens. Returning to the U.S., Denton worked as an artist for the United States Fish Commission at the Smithsonian Institute between 1896 and 1890, where he illustrated their reports with chromolithograph prints and also developed and patented a method for mounting fish without losing the natural colors. He became the leading maker of fish models for collectors and museums such as the Smithsonian, the Field Museum in Chicago and the Agassiz Museum at Harvard. He also invented a method for mounting butterflies, and amassed the most important collection of freshwater pearls in the U.S. Sherman, along with his brothers William, Winsford and Shelley (a noted naturalist in his time) became famous at the 1900 Paris Exposition for their award-winning moth and butterfly collections. Sherman Denton was also renowned among the leading naturalists of his day for developing and patenting methods to preserve fish, butterflies and moths in a much more life-like state.