Unlike Taiwan's shell collectors, Chang's museum is mostly concerned with research into living mollusks and how to care for them, especially the king of the mollusks: Rumphius 'slit shell.
不同於台灣的貝殼藏家，張議顯的寶貝館以活體貝類的研究與飼養為宗旨，尤其鍾情於貝殼之王──龍宮貝。