oscar aggression

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UNC-CH replied the topic: oscar aggression

I think I know how you feel. I had a comet in the tank with my oscar. It was the one of 18 comets that I put in the tank for my oscar to eat. (This is before I knew better than to give feeder fish to my O.) He ate the other 17 but never ate the last one. The comet stayed in the tank for a long time getting to be about 3+ inches. I figured my oscar had decided to keep him as a friend and I was afraid to take the comet out. Finally, I took him out and put him in a pond. I was worried that my oscar would miss his 'little friend' but to my surprise, he didn't act differently. It's definitely true that oscars can be quite happy alone, but you would think they'd enjoy some company.
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Lammergeier replied the topic: oscar aggression

Oscars really aren't very social creatures. In the wild I'm sure they co-exist peacefully with other oscars in fairly close proximity, but in captivity the need for their own territory generally trumps whatever benefit they would get from interaction with other Os. Unless they pair up they'll generally view conspecifics as competition for food and territory.

Dithers can be beneficial to them, though. They provide security that there are no nearby predators and can disperse aggression but it depends on the individual fish. They helped my sev considerably, but Henry would probably act the same with or without them. Might be worth thinking about getting some silver dollars or something roryson. You'd need to up water changes a bit but they're fairly light on the bioload and might give Tiggar something else to go after (and give FG a bit more security).
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roryson replied the topic: Re:oscar aggression

Its been a learning experience thats for sure. Are rainbows generally good dithers? Because there everywhere up here.
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roryson replied the topic: Re:oscar aggression

Very easy to get a hold of
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Lammergeier replied the topic: Re:oscar aggression

Provided they're too big to fit into your oscars' mouths they'd be fine.
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roryson replied the topic: Re:oscar aggression

Ok im going to all the LFS today and seeing what they have.
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Suprd71 replied the topic: Re:oscar aggression

imo these fish will never get along, with dithers, target fish or not. FG may not be getting physically injured, but is surely stressed. Stress induced health issues are not far off. Keep the Oscar you like best, rehome or sell the other.


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roryson replied the topic: Re:oscar aggression

Thanks for all your help the last few weeks Lam ive learnt heaps
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Lammergeier replied the topic: Re:oscar aggression

No worries rory. I still think dithers may be a good idea for your remaining O, but I'd go with what suprd's said about Tiggar and FG not getting along.

If I were you I'd make the 75 gal Tiggar's new home (all to himself) then round out the 150 gal with a couple of relatively peaceful cichlids (severum etc) and a few dithers.
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roryson replied the topic: Re:oscar aggression

Urghhh i already have the jack dempsey chichlids on the way, might have rehome tiggar. He looks better but ive had FG since he was about a inch.
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