As a result of improved fishing technology, more than 400 Rumphius 'slit shells have been pulled from the oceans. But because the Rumphius is so famous, the supply can't meet demand, and today it still commands a high price.
由於漁撈技術的進步，目前全球被撈獲的龍宮貝已超過 400 枚，然因龍宮貝名氣太大，供不應求，目前仍然保持極高的售價。