noun
Lunella coreensis (turban shell species)
A species of turban shell found in East Asian waters. The name is usually written in kana.
スガイは潮間帯の岩場でよく見られる巻貝です。
The Lunella coreensis is a gastropod commonly found on rocky shores in the intertidal zone.
The origin of the name is uncertain. The kanji 酢貝 literally means 'vinegar shellfish', but the connection to the species is unclear.