白蝶贝是世界上最大型的珍珠母贝,平均体长约20厘米,最大达30多厘米,可插1—2厘米的珠核,是培育粒大质优珍珠的好品种。但白蝶贝是热带深水品种,在我国海南岛,澳洲西北部到苏绿群岛、所罗门群岛到马来半岛之间均有发现,一般生长在15—30米水深的海区,采捕困难。由于没有解决人工育苗问题,目前国内外都只能用个体较白蝶贝小一半以上 White butterfly shellfish is the world’s largest mother of pearl, the average body length of about 20 cm, the largest up to 30 cm, 1-2 cm can be inserted into the beads, is to cultivate grain of good quality pearls varieties. However, the shellfish is a tropical deep-water species. It is found in Hainan Island of China, northwestern Australia to the Soviet Union, Solomon Islands to Malay Peninsula, and generally grows in a sea area of ​​15 to 30 meters. As there is no solution to the problem of artificial breeding, both at home and abroad can only use the individual more than half of white butterfly