How would you distinguish between male and female Macrobrachium rosenbergii? Discuss the life cycle of M. rosenbergii with diagram.

Distinguishing between male and female *Macrobrachium rosenbergii* (giant freshwater prawn) can be done based on several physical and morphological characteristics. In terms of size, males are generally larger than females, especially in terms of their body length and overall weight. The most distinct feature, however, is the size and shape of the first pair of walking legs. Male *M. rosenbergii* possess greatly enlarged, elongated, and curved claws (also called chelae), which are used for mating and territorial defense. These chelae are significantly larger than those of females. Females, on the other hand, have relatively smaller and less pronounced claws. 

In addition, the abdominal region of the males is narrower compared to females, which have a wider and more rounded ______ ____ _________ _________ ___.
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