CLOFFAR- 2 - update 1 - supplement to Checklist of the Freshwater Fishes of Argentina, 2 edition. Author Koerber, Stefan Independent researcher. Friesenstr. 11, 45476 Muelheim, Germany, pecescriollos @ koerber-germany. de pecescriollos@koerber-germany.de Author Litz, Thomas O. Independent researcher. Friedhofstr. 8, 88448 Attenweiler, Germany, pecesuruguayos @ aol. com pecesuruguayos@aol.com Author Mirande, Juan Marcos CONICET - Fundación Miguel Lillo, Miguel Lillo 251, 4000 San Miguel de Tucumán, Argentina. mcmirande@gmail.com text Ichthyological Contributions of PecesCriollos 2023 2023-08-03 82 1 6 journal article 298608 10.5281/zenodo.11558467 203de4cd-0f77-4802-8f8d-c32184667b9a 1868-3703 11558467 M. alexandri (Castello & López, 1974) comb.nov. from Austrolebias info published in Alonso et al. (2023)