Freshly collected male
Freshly collected male of Heterophallus milleri at Oxolatlán River, Grijalva drainage, south of Tapijulapa [Tabasco]. Photo by Michi Tobler. determiner Juan Miguel Artigas Azas




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Heterophallus milleri Radda, 1987

Grijalva gambusia; Guayacón del Grijalva.

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Original description as Heterophallus milleri:


  • Radda, Alfred C. 1987. "Beschreibung von Heterophallus milleri n. sp. (Teleostei, Poeciliidae, Gattungsgruppe Gambusiini)". Aquaria: Vivaristische Fachzeitschrift für die Schweiz und Österreich. 34(8):125-132 (ffm04590) (abstract)

Conservation: Heterophallus milleri is evaluated by the international union for the conservation of nature in the iucn red list of threatened species as (DD) data deficient (2018).