Igarapé Sauvaudaua, Part 2
by Heiko Bleher Igarapé Sauvaudaua is a breathtaking stream. There are only two other rivers…
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Igarapé Sauvaudaua, Part 1
by Heiko Bleher There are very few really crystal clear tropical rivers on planet Earth,…
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Discovery of the 2nd Neon Tetra – Paracheirodon axelrodi
By Heiko Bleher The discovery of neon number two, the cardinal tetra Just as the…
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Exploring blackwaters of the Rio Aracà
By Heiko Bleher Organising the trip I think there are many people around the world…
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