The survival rates of glochidium descended with the enhancement of dropping days. 1-2 days after dropping, the survival rate was 100%.
随排放天数增加，钩介幼虫存活率下降。
参考来源 - 绢丝丽蚌钩介幼虫对五种宿主鱼寄生能力试验研究N（名词） a barbed hair, esp among the spore masses of water ferns and on certain other plants (水蕨类或其它植物上孢子块的)钩毛