first record from Paraguay:
Schizodon altoparanae Garavello & Britski, 1990

published in:
Garavello, J.C. & H.A. Britski (2019):
Redescription of Schizodon dissimilis and appraisal of the dark barred species of the genus (Characiformes: Anostomidae).
Neotropical Ichthyology 17 (3): e180035. 10 p.

This first record for Paraguay has not been stated explicitly, but is implied by including a collection lot of Schizodon altoparanae from Salto de Guairá, San Ramón, Limoy, Itaipu hydroelectric dam, in the comparative material.