first record from Argentina:
Gambusia holbrooki Girard, 1859
Cabrera, M.B, S. Bogan, P. Posadas, G.M. Somoza, J.I. Montoya-Burgos & Y.P. Cardoso (2017):
Risks associated with introduction of poeciliids for control of mosquito larvae: first record of the non-native Gambusia holbrooki in Argentina.
Journal of Fish Biology 91 (2): 704-710
abstract (from publication):
This study confirms the presence of two species of the non-native mosquitofish Gambusia in Argentina. The risks that they represent to native biota, their potential dispersal in the region, and their effectiveness in mosquito larvae control are discussed.