Fekthering ea rona ea ho etsa ente, re sebetsa ka thata ho bopa liforomo tsa boleng bo holimo tsa polasetiki tse bonolo tse etselitsoeng li-anglers le ba chesehelang ho tšoasa litlhapi. Mefuta ea rona e hlahisa lintho tse phelang, tse tšoarellang tsa li-shrimp tse loketseng ho hohela mefuta e sa tšoaneng ea litlhapi.
Ka boenjiniere bo nepahetseng le mekhoa e tsoetseng pele ea ho bopa, re etsa bonnete ba hore hlobo e 'ngoe le e 'ngoe e nka lintlha tsa nnete bakeng sa ts'ebetso e nepahetseng ka metsing. Ebang ke bakeng sa tšebeliso ea khoebo kapa ea boithabiso, hlobo ea rona ea polasetiki e bonolo ea shrimp e fana ka tharollo e tšepahalang, e bolokang chelete e ngata ho finyella litlhoko tsa indasteri ea ho tšoasa litlhapi.