Výskyt
Jižní Amerika – Rio Mariana, stát Bahia (Brazílie).
Typová lokalita
Rio Mariana upstream of Cachoeira da Pancada, Área de Proteçao Ambiental Michelin, Ituberá municipality, Bahia State Brazil, 13°46'32"S, 39°09'29"W, elevation about 15 meters.
Velikost
16,4 cm SL.
Etymologie
Druh pojmenován na počest brazilského ichtyologa Alexandra Clistenese Alcântary Santose.
Původní popis
Mattos, J. L. O. & Costa, W. J. E. M. 2018. Three new species of the 'Geophagus' brasiliensis species group from the northeast Brazil (Cichlidae, Geophagini). Zoosystematics and Evolution v. 94 (no. 2): 325-337.
Použitá literatura
Fricke, R., Eschmeyer, W. N. & Van der Laan, R. (eds). 2026. Eschmeyer's catalog of fishes: Genera, species, references. World Wide Web.
Froese, R. & Pauly, D. Editors. 2025. FishBase. World Wide Web.
Mattos, J. L. O. & Costa, W. J. E. M. 2018. Three new species of the 'Geophagus' brasiliensis species group from the northeast Brazil (Cichlidae, Geophagini). Zoosystematics and Evolution v. 94 (no. 2): 325-337.
Scharpf, C. 2025. The ETYFish Project Fish Name Etymology Database. World Wide Web.