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 and its economy. To make matters worse, a series of natural disasters, including Hurricane Mitch in 1998, made economic recovery more difficult. After winning the presidential election in 1990, the National Opposition Union began the reconstruction of Managua began in earnest. More than 300,000 Nicaraguans returned from abroad bringing their expertise and needed capital. Businesses mushroomed, new housing projects and schools were constructed, the airport was expanded and modernized, streets were widened, older malls were repaired and new ones were built, and buildings were cleaned up. In 2006, after the Sandinista National Liberation Front came back into power, literacy, health