{{:apache_trout.jpg?200|}}The Apache trout, Oncorhynchus apache, is a species of freshwater fish in the salmon family (family Salmonidae) of order Salmoniformes. The Apache trout measures in length from 6 to 24 inches (61 cm), and weighs between 6 ounces and 6 pounds (2.7 kg). It rarely exceeds 25 cm, but can reach up to 40 cm in its native, headwater streams.