ok, i have 3 tiger barbs, 3 redtail rasbora fish, 1 albino cory, and 1 chinese algea eater. I have everything needed for an aquarium. i have had my tiger barbs for a day and one of them keeps hiding behind my big plastic plant. it doesnt move much. sometimes it comes out and swims with the other two barbs, but then goes back, what should i do?
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