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betta splendens

  1. Male/Female Ratio?

    Cyprinids and Atherinids
    I've got a shoal of 8 Harlequin Rasbora w/ a ratio of either 3/5 male:female or 4/4 male:female. I have noticed a lot of jousting among these fish and they will even chase members of the neon tetra shoal around. I got 8 because I thought the number would keep these guys chilled out. The HRs...
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