sentences:  This is due to bimaturism, where males have a longer period of growth and have an average 19% greater body mass than females.The average male is 794 g and the average adult female is 734 g.
  
  The species is found in coastal regions of East Africa ranging from the Juba River in Somalia to the Ruvuma River in Tanzania.It also can be found inland throughout the Kenyan highlands and on the islands of Zanzibar and Pemba.