引言三角帆蚌与褶纹冠蚌是目前主要的淡水育珠蚌,用它们培育珍珠已有1000余年的历史。这两种蚌均不能追逐食物,而依靠蚌壳的开闭,外套膜内侧纤毛和鳃纤毛的摆动造成水流滤食硅藻、原生动物及有机碎屑。一只河蚌每昼夜的滤水量能达本身重量的几十倍甚至几百倍,因此人们利用其滤 Introduction The Hyriopsis cumingii and Cristaria plicata are currently the major freshwater pearl mussels that have been used to cultivate pearls for more than 1,000 years. Both species of clam can not chase food, and rely on the opening and closing of the clam shell, mantle medial cilia and gill cilia swing caused by filter-feeding diatoms, protozoa and organic debris. A mussel per day and night of the amount of water can reach their own weight of dozens of times or even hundreds of times, so people use its filter