Oyster
salt-water bivalve mollusc
Can oysters be preserved without refrigeration? 
In some types of Korean kimchi, oysters are placed between the leaves of nappa cabbage.  Many grocery stores carry canned oysters in the shelf stable section. 
How are oysters preserved in various types of Korean kimchi? What are the common methods of preserving oysters in grocery stores? Do any of #1 or #2 not require refrigeration?