The cockles will be put back as quickly and as close as possible to where they have been collected and spread thinly and evenly to ensure their survival.
Bydd y cocos yn cael eu rhoi yn ôl mor gyflym ac mor agos â phosibl i'r man lle cawsant eu casglu a'u gwasgaru'n denau a chyfartal er mwyn sicrhau eu bod yn goroesi.