While a shade of purplish-blue or a flowering plant may first come to mind when you hear the word, periwinkles (littorina littorea) are a tiny, edible sea snail. A longtime staple seafood in England, ...
A new study suggests periwinkles may be the next big seafood and divers and diners are being encouraged to get onboard. The sea snails are found mostly in New South Wales, Victoria, South Australia ...