Fish scared of lights? - Tropical Fish Keeping - Aquarium fish care and resources
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post #1 of 4 Old 03-12-2012, 06:24 PM Thread Starter
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Fish scared of lights?

Soo, I want to turn my second 29 into a saltwater but I think I am going to wait a bit before that.

Well straight to the point, I got a new light for the tank and know the fish are hiding at the top corner.
The fish are with a bunch of fry, witch for I just set up a second tank and put a bunch of then in there (20 gallon long) but the thing is the fry will move around in the tank without a prob. Its just the adults, 2 Gold Dust Lyretail Mollies and 1 Black molly and 1 Silver molly. The light is a pretty bright light, T8 rated at 10,000k, witch is for a marine tank (wanting to start the saltwater tank). I know that the light will give problems with the algae but I don't care I can clean the tank every day. There is plants for what the light is so strong too. There is an anubia and some other plant with some java moss. I know that they are pretty low light demanding but I want the best for them. What do you guys think? Is the tank just too bright?
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post #2 of 4 Old 03-12-2012, 08:12 PM
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If your fish are huddled in a corner the light is too bright for them. Just as with any vertebrate eye, too much light can blind them. I would get floating plants as they will help shield your fish from the lights. Water sprite is a great floater and a wonderful nutrient sink.


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post #3 of 4 Old 03-12-2012, 08:34 PM
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Agree, floating plants are needed. It will also help save your plants, since Anubias is low light and when placed in direct light it usually becomes a host for brush algae (which is next to impossible to remove). Also, bright light often causes the leaves to yellow and die, algae or not.

Byron Hosking, BMus, MA
Vancouver, BC, Canada

The aquarist is one who must learn the ways of the biologist, the chemist, and the veterinarian. [unknown source]

Something we all need to remember: The fish you've acquired was quite happy not being owned by you, minding its own business. If you’re going to take it under your wing then you’re responsible for it. Every aspect of its life is under your control, from water quality and temperature to swimming space. [Nathan Hill in PFK]
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post #4 of 4 Old 03-13-2012, 06:49 AM Thread Starter
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Cool I thought they might of been sick, so strange. I have plants that can be floating and floating they shall be.
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