noun
full-blooded tellin (Pharaonella sieboldii)
A species of marine bivalve mollusk. The name is usually written in katakana as ベニガイ.
ベニガイは日本の海岸で見られる二枚貝の一種です。
The full-blooded tellin is a type of bivalve found on the coasts of Japan.
The name ベニガイ (紅貝) literally means 'crimson shell', referring to the reddish color of the shell. The exact historical derivation is uncertain.