I saw that cardinals are mostly nocturnal fish. Are they more active at night? Do you see them doing things under moonlight? I would love to have a fish that moved around in my moonlights for a little activity late night.
Mine are active any time I'm near the tank and under moonlights & during lights out. I have an Orbic in one tank, 1 pajama in another, and 2 more pajamas in another. The Orbic is the most active at all times, but he's my puppy dog LOL.
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