This research was conducted in April 5th to May 15th, 2017 in Laboratory of Fishing Gear Material of Aquatic Resources Faculty of Fisheries and Marine University of Riau, Pekanbaru. The purpose of this research was to know how long the fishing gear of PE (Polyethylene) net yarn can be used in the waters. The method used in this research is the experimental method, the result data for changes of…