👉 Swillers are a type of fish that are often found in freshwater and brackish water bodies. They belong to the family Cichlidae, and they have a distinctive round body shape with a long, slender tail. Swillers are known for their ability to swim at speeds up to 15 miles per hour, which is significantly faster than other fish species. Swillers can be found in a variety of freshwater habitats, including streams, rivers, lakes, and ponds