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Yes the caudal spot in A. wolli males is supposed to be round(ish) (but of course, caudal spots can be quite variable). Apart from this, A. wolli usually show two rows of abdominal spots, often along the whole body, whereas Ladislao show some streaks/spots which are mostly restricted to the...
Are these the same fish as in this thread? If so, I can't say anything else than I already did there. If it's other fish: the male seems to have a patterned caudal fin, so it can be any of the Ladislao-like species with the exception of A. sp. Amaya. The female doesn't show enough black markings...
Sometimes the trade names fishes after the export stations from which they came. So if the fish were collected by a Brazilian fischermen who brought them to Santa Isabel, this could be a possible explanation, however not a very likely one imo.
A. sp. Breitbinden is the same species as A. piaroa. "Breitbinden" is just the common name of the species that was in use before it had been scientifically described as A. piaroa.