U isifundazwe sokudla ngokomoya yisikhala esiphambili sekuqashwa kwezixhobo zokuthinta izinkunzi. Abahlinza besilisa (besilisa esihlangothi ukuthinta i-bass, i-trout; besilisa esibomvu ukuthinta i-snapper, i-mackerel) badinga izinkunzi ezinamathuba amanye-amanje—njengezinkunzi e-monofilament ngokulula kokuhamba, izinkunzi e-fluorocarbon ngokungabonakali phansi kwamanzi, noma izinkunzi ezizinxulumene ngokwanele ekugcineni. Lezi zixhobo ziyaxhasa ekulungiseni izici zezinkunzi: ziyashintsha ubude bezinkunzi (kusuka ku-0.1mm okuthinta izilwane ezincane kuya ku-1.2mm okuthinta izilwane ezinkulu) futhi ziqhamuka ukutshiswa komlilo wemithombo ukuqinisekisa ukuthi izinkunzi zinexabiso elihle lekuphendula (ngokulungiswa kwezinkinga) kanye nezinkinga (ngokuqondene nokuthinta). Kananjalo ikhuthaza ukukhishwa kwembala (mangalisa, luhlaza, oluhlu) ukufanisana nezimo ezahlukene zemanzi, ihlanganisa izidingo zokubona kanye nezidingo zokusebenza kwebhanga lesilisa.
Imisebenzi yokuqasha asebenzisa kakhulu ubushobozi bokukhupha umlilo wokulima ukuze kuphinde kwenzeke umlilo ongcono, obekhohlakala. Izihlabathi ezikhokhelwayo zilima izilimi ezinkulu (inyathi, salmon, squid) baphatha emkhawulweni omuhle (amanzi amnyama, amacezu amakhulu, amathempikhiwhe athile), kanti kube kudingeka ukuthi umlilo usebenze ngamandla akhulu (kuya kuma-500kg) nokukhathazeka kwe-corrosion. Le mikhina isivikela ngokusebenzisa izimboni ezinezimo ezihle zezimali (njenge-polyethylene enobunzima obukhulu) kanye nokuhanjiswa kwe-teknoloji yokuqina ukukhupha ukuze kwenzeke umlilo omubi, obekhohlakala. Kungaqondene futhi nokukhula okuphinde kubuye kakhulu (kuya kuma-izintshisekako ezingu-1000 ngosuku), esihlinzekela ukuthi izilimi zokulima zibe nezilimi eziphinde ziphinde zibuye, ezingena kakhulu ekukhathazeni kwesilimi—lokhu kubalulekile ukunciphisa ukungabi kwalokho okulimwayo kanye nokugcina ubume bezindleko.
Umkhina wokukhupha umlilo wokulima ungasiza izimo ezithile zokulima , kufaka ukudla ngokunqula, ukudla emandleni aphakade, nokuzalisa izilwane ezidulayo. Kukudla ngokunqula, kusungulisa amakhodi anobuchwepheshe baphansi (abahlukene phansi kwe -30°C) ukuvikela ukuba kube luhlaza emanzini akhathazekileyo. Kukudla emandleni aphakade (amandla aphezulu kunezintsho 1,000), kwenza amakhodi atholakala ekugcineni okuphezulu engavuthi noma avaleke phansi kwegcobo elikhulu lamandla. Kukuzalisa izilwane ezidulayo (ukudulisa izinkomo), akhiwa amakhodi atholakala kudla, engenanto, kumashidi nemigqa yezinhlangothi—usebenzisa izinto ezingenanto futhi sungulisa ngcono ukuvikela ukuthunjuluka kwamakhodi okungaholela ekulahlweni kwizilwane ezidulwayo. Lokhu kumele kubalulekile kakhulu kumaginingi abizo kakhulu kumasebe ethu okudingekayo.
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