CNN 's Alphonso Van Marsh spent time with Nile fishermen in Egypt . He said that the fishing industry is a major source of income for many Egyptians, and they are not just poor people who live off government handouts but also middle class families like his own. Scientists like Dr. Madgy Khalil , who also works at Ain Shams University , say there are unprecedented numbers of crayfish thriving in the Nile with no natural predator , from the Mediterranean Sea or from the south of Egypt . Crayfish have been a problem for fishermen , but now used in chicken feed .
CNN 's Alphonso Van Marsh spent time with Nile fishermen in Egypt . He said that the fishing industry is a major source of income for many Egyptians, and they are not just poor people who live off government handouts but also middle class families like his own. Crayfish have been a problem for fishermen , but now used in chicken feed .