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  1. Please help our corydoras - we are finding them dead with reddy brown gill marks!

    Tropical Fish Diseases
    Firstly many thanks for reading this! We have a small tank including 4 blood-fin tetras, 3 cherry barbs, 3 peppered corydoras and 3 albino corydoras. Well we did... The blood-fins came first, then the peppered corydoras, then the cherries and the albinos arrived at together. Things were fine...
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