Extinct circa 1940 CE • Lake Titicaca
Orestias is a genus of pupfish. They are found in lakes, rivers and springs in the Andean highlands of South America, and several species are considered threatened. Many species of the genus became rare in recent decades due to competition with introduced fish species, pollution, and human activities at the lakes. One species—the Titicaca Orestias (Orestias cuvieri)—was last seen in 1939 and is probably extinct; several others are known to have highly restricted ranges.
https://www.revolvy.com/main/index.php?s=Orestias%20(fish%20genus)&item_type=topic
Histoire Naturelle Des Poisons, Par Le Baron Cuvier. Paris: Levrault, Volume 18, 1835. Web. <https://commons.wikimedia.org/wiki/File:LakeTiticacaOrestia-1835.gif>.
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