Oscar color changes
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Oscar color changes

This is a discussion on Oscar color changes within the Cichlids forums, part of the Freshwater and Tropical Fish category; --> Hi again everyone, I have two small juvi oscars - both equal size and (for now) mellow temperament - these guys are housed with ...

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Old 05-24-2013, 01:53 AM   #1
 
Oscar color changes

Hi again everyone, I have two small juvi oscars - both equal size and (for now) mellow temperament - these guys are housed with a few smaller jack demps that are already starting to live up to their boxer name, but keep to themselves...and all temporarily live in a heavily planted tank with community fish too large to be eaten (for now) but numerous enough that the small cichlids come out and swim freely without fear. All already assoc me with food, and rush forward when I approach the tank.
Recently, I notice that one oscar tends to quickly pale and just as quickly rtn to a dark coloration. This happens as nothing out of the ordinary is taking place in the tank. The other Oscar remains dark, both appear equally active and constantly hungry. I can't place what is causing the changing (though quick) of the oscar that goes pale. This guy never appears stressed and is continually hunting for food - seldom if ever stationary. Am I missing something? Or is this normal? Besides stress, what would cause this too happen? Should I be concerned??? (120g tank, with water perimeters ideal for an Oscar re: ph, temp, ammonia /nitrate levels -weekly water changes and tanks been up for apprx 1 year).
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Old 05-24-2013, 06:31 AM   #2
 
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It is common for Oscars' color to fade and brighten back up. Mine always seemed to fade at night when the lights were off. After the lights were back on for a while, they would brighten up. Beyond that, stress and excitement would certainly cause changes. My Oscars were always in a tank of their own and I always had two at a time. Perhaps they didn't have enough going on around them to cause frequent change. Your tank has a lot going on and, more than likely, it's just a trait for that particular fish. You should continue to be observant, but I wouldn't be too concerned at this point. If he was hiding and not eating, it would be a different story.
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Old 05-24-2013, 10:25 AM   #3
 
Great!....thank you Fishmonger....it's kinda entertaining (when not concerning) - kinda like a cameleon - wasn't sure and thought I'd error on the side of caution....thank you again...!!!
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Old 05-24-2013, 11:53 AM   #4
 
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Oscars are very entertaining to watch when they're small. They have all the moves of the adults and they think they're the cock of the walk.
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Old 05-24-2013, 07:54 PM   #5
 
Lol....very true...just got home and the lil guy did it again...but again, no stress...watched him from kinda afar to see if my presence had anything to do with it...nope....so all good (not that I doubted u at all)...just hadn't seen it before so rapidly and frequently...been awhile since I had oscars,...crazy fun....

How about with jacks, 2 of mine (the larger dominant ones) are dark dark blue, the others very light...all have very bright coloration and are very active.... Is this just a breeding thing...an age thing... poss related to gender...too young for me to tell right now...nothing big, just curious...hopefully not too silly of a question...
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