The fathead minnow is a small freshwater fish native to North America. It typically grows to about 2 to 4 inches in length and is known for its rounded body and large head. These fish are often found in rivers, lakes, and ponds, preferring shallow waters with plenty of vegetation. Fathead minnows are important in the ecosystem as they serve as a food source for larger fish and wildlife. They are also commonly used as bait in fishing and are popular in aquaculture. Their resilience and adaptability make them a valuable species in various aquatic environments.