Cocibolca is the widest lake in Central America and one of the biggest in the world covering 3,166 sq. mi. (8,200 sq. km.). Cocibolca is 110 miles (177 kms) long and is 103 ft. (31 m) above sea level. On maps, it is usually denoted the Gran Lago Nicaragua (Nicaragua’s Big Lake). .
Its name comes from the Nathualt word coalt-pol-can that means “place of the big snake”; symbol of the Quetzalcoaltl god and brother of Xolotl and thus the name Xolotlan, the Managua lake name
Cocibolca lake is very rich in tropical flora and fauna and is home to the only species of freshwater shark. The last was seen a few years ago and the people believe they are living in the deepest part of the lake near Solentiname.