Jenynsia Aurea (Jenynsia aurea), first described by Hartmann, Wingert, Angrizani & Malabarba, 2026 is a small fish in the family Anablepidae (order Cyprinodontiformes). Adults typically reach 8.00 cm in maximum length. It inhabits freshwater systems including rivers, streams, and lakes. It occurs in Tropical waters. It is broadly omnivorous, taking invertebrates, plant matter, and detritus.
Vertebrae: 33 - 34. This species is distinguished from its congeners by the following set of characters: presence of a tubular gonopodium with a short fourth anal-fin ray, less than two-thirds length of ray three; presence of a single midlateral stripe in adults; absence of dorsolateral or ventrolateral chevron marks associated to the midlateral stripe; presence of 13 to 15 gill rakers on ventral limb of first gill arch (in 2 c&s specimens); and presence of the first mandibular-canal pore .: elongated; Cross section: oval.
Behavioural data for Jenynsia Aurea is currently being reviewed.
Freshwater; benthopelagic. Tropical South America: Brazil.
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