Oyster

An oyster can be obtained through fishing with a big fishing net at any Net/Harpoon fishing spot. The minimum level to fish with a big fishing net is level 16 Fishing to catch mackerel. Oysters can also be obtained as a drop from crabs, dagannoths, Dagannoth Prime, Giant Mole, Kalphite Queen, King Black Dragon, mogres, mudskippers, river trolls, or rock crabs.

When opened, an oyster may contain a pearl. It will either become an Oyster pearl, Oyster pearls, or an Empty oyster. Pearls of any kind are useful in the Fletching because they can be used to make Pearl bolt tips by using a chisel on them, making 6 tips on an Oyster pearl and 24 on Oyster pearls. This requires 41 fletching.

Oysters can also be obtained by panning at the Digsite or at a spawn in north-east Rellekka.