Posts Tagged ‘tannic acid’

Building a Biotope: A Step-by-Step Rio Negro Aquarium

Take a detailed look at building a Rio Negro biotope aquarium from start to finish in this web supplement to Biotopes of the Rio Negro in the July/August 2017 issue of AMAZONAS

06 Jun 11:52 PM 14 Read More...

Biotope Video: Blackwater Shallows in the Middle Rio Negro

Explore the diverse underwater life of this tropical freshwater habitat in Brazil’s Rio Negro, home to dozens of popular aquarium species.

09 Jan 1:33 PM 10 Read More...