1 Hyriopsis cumingii, also known as mussel, pearl mussel, freshwater pearl mussel, triangle mussel, etc., is mainly distributed in Hunan, Hubei, Anhui, Jiangsu, Zhejiang, Jiangxi and other provinces, especially in Dongting Lake and medium-sized lakes.

2. The crested mussel, also known as crested mussel, lake mussel, mussel, etc., is a freshwater benthic shellfish belonging to the family Crested mussel, which is common in China's coastal areas and mainly inhabits the mud bottom or sediment bottom of lakes, rivers, ditches and ponds in fresh water, slow flow and still water areas.

3. lamprotula leai, also known as Papilio, Mawai, etc., is mainly distributed in Hebei, Anhui, Jiangsu, Zhejiang, Jiangxi, Hubei, Hunan, Guangdong and Guangxi, with the highest yield in large and medium-sized lakes and rivers in the middle and lower reaches of the Yangtze River.