Meretrix petechialis (species of hard clam)
A species of hard clam found in East Asia. The name is usually written in katakana.
Meretrix petechialis is sometimes harvested for food.
Usually written in katakana; the kanji form 支那蛤 is rare and may be considered dated or offensive due to the character 支那.
Kanji form; rarely used and may be considered offensive due to the character 支那.
The name is a compound of シナ (China) and ハマグリ (clam), referring to its geographic origin. The exact derivation is uncertain.