Lake Managua and concrete wharf was constructed and a sight seeing boat called "La Novia de Xolotlán" makes hour-long lake tours when there are sufficient tourists. About 20 fish species still survive in Lake Managua. While joined to Lake Nicaragua, the bull sharks of that lake cannot migrate to Lake Managua due to a high waterfall on the Tipitapa River. Lake Managua Lake Managua () (also known as Lake Xolotlán) (located at ) is a lake in Nicaragua. The Spanish name is Lago de Managua or Lago Xolotlán. At 1,042 km², it is approximately long and wide. Similarly to the name of
Managua its members. Chief of Police, Aminta Granera, stated that vehicles robberies has reduced; as only 200 reports were filed in 2006. The German government funded the construction of a water treatment plant with plans to process the city's sewage and clean the Managua lake. Also pending is a mega-project to reconstruct the old center of Managua, and to introduce a monorail system, to alleviate future transportation problems in Managua. Managua is the home of most national broadcasting television channels as well as the major national newspapers. Some of the larger television channels include: Canal 2, Telenica, Canal 10, Canal 15