 Common fish in the river include black and yellow bullhead, rock bass, golden redhorse, and various species of darters and shiners.At the United States Geological Survey's stream gauge in Cambria Township, 0.7 miles (1.1 km) upstream from the river's mouth, the annual mean flow of the river between 1974 and 2005 was 72.5 cubic feet per second (2 m³/s).The highest recorded flow during the period was 3,520 ft³/s (100 m³/s) on June 20, 1993.