Poecilia reticulata, Peters, 1859

Terán, Guillermo E., Koerber, Stefan, Stazzonelli, Juan Carlos, Aguilera, Gastón & Mirande, J. Marcos, 2022, Any colour you like: new records of ornamental livebearers (Poeciliidae: Cyprinodontiformes) from freshwaters of Argentina., Ichthyological Contributions of PecesCriollos 80, pp. 1-8 : 5

Poecilia reticulata - first record from the Salí river basin

figs. 16-19

CI-FML 7808, 12 ex. (6 males, 6 females), 14.2-22.43 mm SL. Bajo Hondo stream in Parque Guillermina, Salí river basin, Tucumán. 26°49’21”S, 65°15’30”W. coll.: J.C. Stazzonelli & G. Rodriguez, Sep.2020 .

The specimens collected present the characteristics which are diagnostic of this species: polychromatic and polymorphic colouration pattern in males; gonopodial palp extending beyond gonopodium tip (figs. 19-20); absence of retrorse hook on tip of gonopodial ray 3a; presence of retrorse hook on tip of gonopodial ray 5; gonopodial ray 3 with series of ventral serrae; scales around caudal peduncle 14; and females with 9 anal-fin rays and 6-7 dorsalfin rays. Also, the conspicuous reticulate pattern along the females flank and the absence of a humeral blotch (following Poeser et al. 2005; Bragança et al. 2020).