first record from Argentina:
Hypostomus isbrueckeri Reis, Weber & Malabarba, 1990

published in:
Terán, G.E., W. Serra, F. Ruiz Díaz, F. Alonso, B. Bugeau, G. Aguilera & J.M. Mirande (2022):
On the presence of the poorly documented Hypostomus isbrueckeri Reis, Weber & Malabarba, 1990 (Siluriformes: Loricariidae) in Argentina and extension of its distribution range.
Ichthyological Contributions of PecesCriollos 81: 1-5

abstract (from publication):
In this note we present the first evidence based record for Hypostomus isbrueckeri from Argentina and extend its known geographical distribution 500 km to the SW of the previous mentions.