This dataset contains the digitized treatments in Plazi based on the original journal article Gómez-Martínez, Roni Fernando, López-Vila, Jesús Manuel, Matamoros, Wilfredo A., González-Díaz, Alfonso A., Gómez-González, Adán Enrique (2022): Diversity of Cichlid Fishes (Cichliformes: Cichlidae) in Chiapas, Mexico: A practical identification key with updated distribution maps. Zootaxa 5175 (2): 231-252, DOI: 10.11646/zootaxa.5175.2.3