Australia in general has the best oysters in the world ! Tasmania has the best salmon from the purist water. Have you not looked at the science . Brisbane the best prawns ( shrimp in US ) but they are as big as USA crayfish so.... America - however Croats know how to cook it ! And Croats have the best Calamari ( and you can catch your own anywhere there is sea water ) no sauces, creams, bbq sauce required!