Ep. 81 - Joe Ferdenzi has a 28-year old strain of Endler's Livebearers Collected by Dr. Endler in Venezuela The Aquarist Podcast

Get yourself some Quarantine Trio from Aquarium Co-Op:
https://www.aquariumcoop.com/collections/fish-medicine/products/quarantine-meds-trio
 
Google Maps link to Laguna De Los Patos:
https://www.google.com/maps/place/laguna+de+los+patos/@10.4270463,-64.2185143,7856m/data=!3m1!1e3!4m5!3m4!1s0x8c3270f442e13de1:0x55731a9204b63864!8m2!3d10.4240373!4d-64.1966269
 
Modern Aquarium October 2012, Page 9, "The Legacy of Dominic Isla: Endler's Livebearer"
https://issuu.com/modernaquarium/docs/october_2012