Descrizione originale come Dicerophallus echeagarayi:
ZooBank:606C2B3B-6E89-499C-B179-F273753BAD13.
- Álvarez del Villar, José. 1952. "Dicerophallini, nueva tribu de Poeciliidae de Chiapas (Pisc., Cyprinodont.)". Ciencia. 12(3-4):95-97 (ffm04589)
Conservazione: Heterophallus echeagarayi è valutata dalle organizzazioni internazionali di salvaguardia delle specie a rischio come (DD) Mancanza di dati (2018). The area of distribution of Heterophallus echeagarayi is subject to a number of land-use impacts, including those generated from agricultural and cattle production. Additionally, a number of non-native species have been introduced to the basin which may impact the fitness of native fauna (Lyons, 2019).