生き物こぼれ話・天草編（５４） アコヤガイ Pinctada fucata martensii Japanese Pearl Oyster
Formation of a Natural Pearl
How Pearls Are Formed Explanation | Pearl Culture | Types Of Pearls | Pearl Oysters | Malayalam
Pinctada Margaritifera Pearls
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Pinctada fucata, the Akoya pearl oyster, is a species of marine bivalve mollusk in the family Pteriidae, the pearl oysters. Some authorities classify this oyster as Pinctada imbricata fucata. It is native to shallow waters in the Indo-Pacific region and is used in the culture of pearls.