JosVermeulen
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Here's a link to the map: https://www.google.com/maps/d/viewe...&ll=-23.19775619805804,-34.13224848784546&z=3
Only 16 of 90 marked species in Peru?? That must be an error ?
Well, Mike, if you now give me all coordinates of proved catch locations of new undescribed species, I could add them, too. ;-)
regards,
Rolo
Yes, A. borellii and A. trifasciata are found in the area around the mouth of the La Plata in Uruguay and Argentina. We don't know where the holotype of A. pleurotaenia was collected. It came from an import "from the La Plata". All recent specimens attributed to A. pleurotaenia are imports - with no known collecting location other than 'from the La Plata region'.
Many of the older descriptions used specimens imported for the aquarium trade. You can't always trust other older species distributions. Just look at A. bitaeniata and A. cacatuoides and their original type localities. At least Rolo added the latest updated distributions. BTW A. bitaeniata in the hobby might not be the same species as the holotype. There was a single bitaeniata-like specimen imported from the upper Rio Madeira (Porto Velho, Brazil) that might be the same as the holotype of 'A. pertense var. bitaeniata Pellegrin 1936'. We just don't know enough to say anything for sure.