2017. The Situation and population structure of black tilapia oreochromis niloticus (linnaeus, 1758) perciformes: cichlidae, in the dam esperanza, Quiroga-Manabi. Revista Científica Ciencias Naturales y Ambientales. 11, 2 (Dec. 2017). DOI:https://doi.org/10.53591/cna.v11i2.265.