👉 Arenohydracarus is a type of freshwater fish found in the Pacific Northwest region of the United States, where it inhabits rivers and lakes with a variety of habitats including rocky streams, rivers, and estuaries. This species is known for its distinctive black-and-white striped body pattern, which makes it easy to identify from afar. Arenohydracarus are primarily aquatic but can also be found in freshwater ponds or lakes during the summer months.