Chubs are a type of fish commonly found in freshwater environments, particularly in North America. They belong to the family Cyprinidae and are known for their stout bodies and rounded shapes. Chubs typically inhabit rivers, lakes, and streams, where they feed on insects, small fish, and plant matter. These fish can vary in size, with some species growing up to 12 inches long. Chubs are often recognized by their silver or grayish coloration and are popular among anglers for their spirited fight when caught. They play an important role in the aquatic ecosystem by serving as both predator and prey.