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  1. what is typical cory behavior? mine have me worried

    Beginner Freshwater Aquarium
    Hi all, I have a 12 gallon tank that has three cory's and a few tetras. Two of the cory's are emerald green, and the other one is peppered. They spend all their time laying on the bottom or hiding. The tank is well planted so there are plenty of hiding spaces, and the tetras don't seem to be...
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