noun
penguin wing oyster
A species of pearl oyster, Pteria penguin, known for producing mabé pearls. The name is used in marine biology and pearl industry contexts.
マベガイは真珠養殖に使われる貝の一種です。
The penguin wing oyster is a type of shellfish used in pearl cultivation.
The name マベ (mabe) likely derives from a local or regional name for this oyster; the exact origin is uncertain. ガイ (貝) means 'shellfish'.