In P. nigromaculata, clutch size was closely correlated with the snout-urostyle length and body mass, by indicating that the female frogs could increase reproductive outputs increasing body sizes.

• 黑斑侧褶蛙雌体怀卵数量与体长和体重皆成正相关关系，表明黑斑侧褶蛙通过增加个体大小增加繁殖输出。