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If your Cory catfish is in a tank with no other fish species, it really doesn't matter. If you have other fish species with it in a tank I would try turning off the lights at night and feeding your Cory then. It will give your Cory a better chance of getting the food before another fish gets it because corys don't use their eyes to find food, they use their barbles.

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13y ago

What else can I help you with?