Simpsonichthys nigromaculatus

The Simpsonichthys nigromaculatus lives in the benthopelagic, freshwater, pH range: 5.5, depth range 0 - m environment.

Simpsonichthys nigromaculatus, new species, collected in a seasonal swamp at the floodplains of rio da Prata, rio Apor More

Simpsonichthys nigromaculatus is a member of the western clade of the subgenus Simpsonichthys. It can be distinguished from other members of the genus in having 2–4 black spots on the dorsal fin in males. More

Simpsonichthys nigromaculatus is hypothesized to be more closely related to S. parallelus by both species sharing the presence of a short postorbital pink stripe and the basal portion of all unpaired fins orange in males. It further differs from S. More

Simpsonichthys nigromaculatus, originaire du haut du bassin du rio Paraná au Brésil. Ref : Costa, W.J.E.M. (2007) : Simpsonichthys nigromaculatus, a new miniature seasonal killifish from the upper rio Paraná basin, central Brazil (Teleostei : Cyprinodontiformes : Rivulidae). More

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