On one of Heiko’s most recent Amazon expeditions with several new discoveries he was also able to find a possibly new Characidium species. He has been searching for decades around the globe also for fish species that live exclusively in rapids and waterfalls – at those places where the water has its most rapid, strongest fall or currant. There, in between members of the circum-tropical found aquatic plant family Podostemaceae, which live only in such fast flowing habitats, he discovered already decades ago that also different fish species have adapted to live all their live under such extreme conditions. In South America he found mostly species of the characoid family Characidiidae (Crenuchidae by some) and on December 9, 2009, he discovered this amazing fish in the La Libertad Waterfall in the unexplored upper Apaporis river in Colombia. Natasha made a short video during his search…

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