As the oyster season in Britain begins round the times of his feast day on July 25, the similarity led to a popular saying that whoever eats oyster on St. James Day will never want for money.

• 由于在英国牡蛎上市的季节是在圣詹姆斯节（7月25日）前后，再加上牡蛎外壳与扇贝外壳的相似，因而就产生了一种流行的说法：谁在圣詹姆斯节那天吃了牡蛎，谁就会永远不缺钱花。