04-06-2010, 03:01 AM
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Choosing lighting for Black Ghost Knife fish
My old black ghost knife recently died and he was the only one in my 37 gallon aquarium. I have now restocked the tank with a couple of live plants, a tiny black ghost knife, 4 zebra danios, one giant danio, and 3 glass catfish.
The danios seem just as active with the light on or off, but the rest of the fish seem to prefer the light off. Would lunar lighting be good? Is it possible to achieve that effect with a fluorescent bulb? What would be good lighting that will make the fish attractive, the plants grow, and that's dim enough that the shy fish are active?
Right now I'm using an 80-watt AquaGlo fluorescent bulb.