Heiko did do research in the Caño Sardiña on 2 December, during one of his Amazon expeditions in 2009. This is a tiny tributary of the upper Caño Bocón in the Río Inirida basin in Colombia. This tiny Caño was very difficult to enter with a small dugout but had an incredible wealth of fishes including some new species. Here hear one can see a few of the nearly 50 different species. For more detail go to Expedition in Caño Bocón…

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