Common pleco turned a lighter color

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aquariumgirl lauren

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I have this common pleco that used to be a really dark brown and while I was dropping an algae wafer in the water, the pleco came to eat it and I noticed it was a light brown almost goldish. What caused this?
 

leeishom

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My pleco started to get lighter before I gave him away.
I think its due to stress.
May be my arowana was picking in him.
 

bolivianbaby

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I see you have him in a 26g tank. How big is he? How long have you had him?

Also, if you could list your water parameters, it would help us figure out what's wrong with him.
 
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aquariumgirl lauren

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Right now he is about 4 inches and I have had him for about 1 1/2 months. As for the water parameters I don't have a test kit yet, but I'm planning on getting one soon and as soon as I have the parameters I will post it. I also put in three emerald cories and they compete for the algae wafers a lot, that could be stressing my pleco.
 

gremlin

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My sailfin plecos change color depending on mood and environment. When they are against the black liner of my pond, they are nearly black. When they are against the red rock on the pond shelf, they are a lighter color. When they are among the roots of the lilies, they are a mottled brown/gray with darker and lighter patterning. When they are in the house (for the winter) where there is an area that is almost white, they are a very very light tan with darker stripes/spots. I think they must have some chameleon blood in them...
 
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