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 the Old Cathedral of Managua was designed by Belgian architects, and the iron that was used to shape the core of the cathedral was shipped from Belgium. Construction lasted from 1928 to 1938, overseen by Pablo Dambach, who was a Belgian engineer residing in Managua. The architects had been inspired by the church of Saint-Sulpice in Paris, France. The St. James' Cathedral became the first cathedral in the Western Hemisphere to be built entirely of concrete on a metal frame. The cathedral survived the 1931 earthquake, but was heavily damaged during the 1972 earthquake, which eventually led to the construction