Simpsonichthys suzarti is a species of killifish in the family Rivulidae.Costa, W.J.E.M., 2004. Simpsonichthys suzarti sp. n. (Teleostei: Cyprinodontiformes: Rivulidae): a new annual fish from the Rio Pardo floodplains, northeastern Brazil. Zootaxa 468:1-7. It is found in the Rio Pardo floodplains of north-eastern Brazil.
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