Angulo Sibaja, A., San Gil León, J. A., Oviedo Soto, A., Abarca Odio, J. I., & Umaña Villalobos, G. (2022). Rediscovery of the endangered Amphilophus lyonsi (Gosse 1966) (Cichliformes: Cichlidae) in Costa Rica; extended diagnosis and description and new ecological data.

Angulo Sibaja, Arturo, Jorge Andrés San Gil León, Alejandro Oviedo Soto, Juan Ignacio Abarca Odio, ja Gerardo Umaña Villalobos. Rediscovery of the Endangered Amphilophus Lyonsi (Gosse 1966) (Cichliformes: Cichlidae) in Costa Rica; Extended Diagnosis and Description and New Ecological Data. 2022.

Angulo Sibaja, Arturo, et al. Rediscovery of the Endangered Amphilophus Lyonsi (Gosse 1966) (Cichliformes: Cichlidae) in Costa Rica; Extended Diagnosis and Description and New Ecological Data. 2022.