Salvelinus is a genus of fish commonly known as char, which are closely related to trout and salmon. They are primarily found in cold, freshwater environments, such as lakes and rivers, in the Northern Hemisphere. Char are known for their distinctive coloration, often featuring spots and a vibrant hue, which can vary depending on the species and habitat. There are several species within the Salvelinus genus, including the Arctic char and Brook trout. These fish are popular among anglers and are also important for ecosystems, as they serve as both predators and prey in their aquatic environments.