also: しゃこがい
Refers to any clam of the subfamily Tridacninae, known for their large size and colorful mantles. Often encountered in contexts related to marine life, aquariums, or tropical reefs.
I saw a large giant clam in the sea of Okinawa.
Giant clams are designated as an endangered species.
Mixed kanji-hiragana spelling.
Rare kanji form; 硨磲 is an ateji for 'shako'.
The element シャコ comes from Chinese 硨磲, an old name for giant clams; Japanese 貝 “shellfish” was added to form シャコガイ.