Corbicula sandai; Seta freshwater clam
A species of basket clam native to Lake Biwa in Japan. The name is usually written in katakana as セタシジミ.
The Seta freshwater clam is an endemic species of Lake Biwa.
Miso soup with Seta clams is a local dish of Shiga Prefecture.
Katakana spelling is standard for this species name; usually written in kana.
Kanji spelling is rare; the word is usually written in kana. The kanji 蜆 is itself uncommon.
Named after the Seta River (瀬田川) in Shiga Prefecture, which flows out of Lake Biwa, where this clam is found. The specific name 'sandai' honors a researcher.