This work was carried out on River Chagharzi district buner Khyber Pakhtunkhwa Pakistan. This river is present in the beautiful valley of district Buner known as Chagharzi. This work deals with all about fish fauna of River Chagharzi. This work was carried out in the period of April to June 2014. This was the first attempt to explore the fish fauna of the River Chagharzi. This will be much more informative and helpful for the students dealing with fisheries.