How long do Oscars live?

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Roberto C. Wells

Feeder Fish
MFK Member
Feb 9, 2006
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Paris, AR
How long do Oscars usually live?
I just put a six year old female in with a 1 year old male and a ½ a year old female
and all they do is shake there fins and open there mouths
should I be worried
 
It's most likely signs of aggression. The previously existing O's are likely defending their turf. If cared for properly, provided a healthy diet, proper tank size etc. O's can live for about a decade. Just out of curiousity, what size tank are your 3 O's in?
 
95 gallons is a tad bit small for 3 fully grown oscars. Especially if two of them decide to pair off.
 
My Canon Mark II was dropped of the back of a boat two weeks ago so I don’t have a digital camera right now
 
They will live about 9 or ten years in a tank sometimes longer depending on how nice you treat them. Larger tank usually equals a longer, happier life.

i agree that it is probably aggression, you could try switching things in the tank around, it will throw them off for a couple days, but it may take any territorial aggression away.
 
I dunno, but I had 3 8"-9" oscars that initially showed signs of aggression to eachother and then usually just became peaceful after a few weeks or so, and schooled together.
 
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