the pictures on the species page seem to be of a different species, from species description:
The catfish shown here has five bands (with first at dorsal base) and additionally the snout shape and caudal fin pattern don't really match.Back with 4 broad blackish transverse bands, their arrangement and disposition as first at dorsal base...
Assuming that they came from the correct location (Rio Santa Lucia) I would rather say that it should be Rineloricaria pareiacantha. However, the picture you are showing on that species page again looks different, but this might be due to size/age...
Cheers,