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Old 04-13-2010, 12:50 PM   #1 
DarthMaul
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Question how is light stessful to bettas?

I have noticed on several posts that when a betta is being treated and or recovering it is reccomended to keep them in the dark to keep the fish from stressing. How in the world is light stressful to a recovering fish? I mean, what do they do in their natural wild environment lol
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Old 04-13-2010, 12:57 PM   #2 
1fish2fish
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Actually their natural environment is very darkly tinted water which doesn't let nearly as much light through as the crystal clear water most aquarists have.

Darkening a tank has two uses:
1. It keeps the fish from seeing outside of the tank and being stressed by its surroundings.
2. Darkness signals night which will make the fish less active, giving its body time to heal.
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Old 04-13-2010, 02:02 PM   #3 
nochoramet
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Ditto to what 1f2f said. Also, when you're sick, wouldn't you rather stay in a dim room with nothing going on so you can relax? That's about how the bettas feel.
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Old 04-13-2010, 02:06 PM   #4 
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I might add that most fish found in freshwater aquaria are "forest fish" and reside in rivers or swamps shaded by trees and swim in water tinted by leaf litter. With the exception of perhaps guppies, platies, mollies and some brackish fish a setting where the light is unfiltered by heavy vegetation is largely foreign. In fact recent aquarium though suggests that many of these 'forest fish' do considerably better on dark subsrates as well.
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Old 04-13-2010, 05:49 PM   #5 
xxabc
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There's also keeping light on 24/7. All fish in nature have day and night cycles. Having a light on all day can be stressful just by thought...although I currently am not sure how to explain it.
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Old 04-13-2010, 06:06 PM   #6 
kelly528
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Well they do have to sleep so leaving the light on is like putting thme in a sleeper cell :O

I always cringe when I ask someone how long they keep their light on and they answer 'since I got him'. Poor fishies!!!

To think I feel terrible for waking my fish when I have to turn on a light in the middle of the night when I get home from a late shift at work!
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Old 04-13-2010, 06:11 PM   #7 
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Sometimes I feel bad when I watch tv late at night or leave my desk lamp on a long time for the 2 tanks that sit on my desk (the tv light shines that way). I don't think it really affects the fish but once I get my shelf unit set up I think they'll appreciate the dark more.
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Old 04-13-2010, 06:11 PM   #8 
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I never wake up my fish in the middle of the night anymore... it takes way too long to feed. They really DO have a wake-up time! Every time I turn on the lights in the middle of the night, they just...run into the glass. Slowly drifting. Going down. It's adorably funny, but so sad haha... they don't even see their own food.

Turning on lights since they got them? Goodness. Can't wait for their algae outbreak. Poor fish... !!
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Old 04-13-2010, 06:39 PM   #9 
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This technique is used with every animal. If you watch any vet show, they'll put a towel or something over the animals head to calm them down. I've sat on a horses head to calm him down after he slipped and fell down until my friend ran to get a blanket off of the fence.
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Old 04-13-2010, 07:03 PM   #10 
DarthMaul
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I never said I leave a light on 24/7 my fish have natural light the comes from the window on the other side of my room from sun up to sun down and MAYBE a couple hrs of artificial light at night :) was JUST was a general question
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