On the night of September 28, 2005, an 18-centimeter Rumphius 'slit shell laid over 10,000 gold-colored eggs. The process took about four hours, and afterwards the mollusk turned a brighter red.
2005 年教師節晚上，一顆直徑 18 公分的「龍宮翁戎螺」，竟然在張議顯眼前產卵，上萬顆金黃色的卵從螺殼的罅裂中噴出，長達 4 個小時，產後的龍宮貝，殼色更加豔紅。