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The checkerboard Dicrossus filamentosusis smaller and more peaceful than most tetras, yet this endearing fish will have you captivated in no time. In this Fincast, John takes a serious look at a fun little fish from the Amazon. Though not a beginner fish, it will do well if you give it the right environment.
More about Checkerboard Cichlids www.tfhmagazine.com/details/ar...
Also: www.seriouslyfish.com/species/...
More on Tannins and biofilm:tanninaquatics.com/pages/aqua...