Fig. 4 in New Insights into the Male Morphotypes of the Amphidromous Shrimp (Weigmann, 1836) (Caridea: Palaemonidae) and a Discussion on Social Dominance Hierarchies.

Fig. 4. Macrobrachium olfersii (Wiegmann, 1836). (A) Regression of the morphometric relationship of the propodus length (PrL) Vs. carapace length (CL) demonstrates the separation between juvenile and adult males. (B) A logistic curve shows the size at which 50% of males reach sexual maturity (CL50).