first record from Argentina:
Cyanocharax alburnus (Hensel, 1870)

published in:
Protogino L.C. & A.M. Miquelarena (2012):
Cyanocharax alburnus (Hensel, 1870) (Characiformes: Characidae): First distribution record in Argentina.
Checklist 8 (3): 581-583

abstract (from publication):
This note reports the presence of Cyanocharax alburnus in the Argentinian Mesopotamia. This represents the southern distributional limit for the species in South America and the first record for Argentina’s freshwater fish fauna.