研究表明：中国龙虾雌雄异体，性比约为2：1，生物学最小型为头胸甲长8.4cm左右。
The studies show that Panulirus stimpsoni ( Holthuis ) have male and female body , that its sex rate is about 2 : 1 , that the smallest one in biology has about 8.4 cm carapace in length .
生物学最小型