embossed venus; Venus toreuma
A species of saltwater clam. Scientific name: Venus toreuma. Typically written in katakana as マルスダレガイ.
Embossed venus clams can sometimes be found during clam digging.
Standard katakana spelling for this species name.
Kanji spelling is rare; the word is usually written in kana.
The name マルスダレガイ likely derives from 丸 (round) + 簾 (bamboo blind) + 貝 (shellfish), referring to the shell's shape and pattern. The exact historical derivation is uncertain.