first record from Argentina:
Crenicichla jupiaensis Britski & Luengo, 1968

published in:
Casciotta, J., A. Almirón, J. Bechara, F. Ruiz Díaz, S. Sánchez & A. González (2007):
First record of Crenicichla jupiaensis Britski & Luengo, 1968 (Perciformes: Cichlidae) in freshwaters of Argentina.
Ichthyological Contributions of PecesCriollos 4: 1-4

abstract (from publication):
Crenicichla jupiaensis is registered for the first time from the río Paraná in the northeast of Argentina. The specimens were captured at the left bank of the río Paraná close to Yahapé city (27°22’12.1”S-57°39’14.6”W), about 1,250 km southwest of the type locality. Crenicichla jupiaensis is sympatric with C. lepidota, C. semifasciata and C. vittata.