👉 Euphthiracarius is a type of small freshwater fish that is commonly found in rivers and lakes in North America, often near bodies of water with clear waters or rocky areas. These fish have a distinctive white body color and are known for their long, thin tails. They feed on aquatic plants and other small prey, such as insects and crustaceans. Euphthiracarius is an important part of the aquatic food web and plays a crucial role in maintaining water quality