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Astronotus ocellatus (oscar) and other(s)...
August 15, 2011
9:07 pm
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rmo_3000
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Hello all!

I'm new to the hobby. I want to get an Oscar, probably a Tiger Oscar, because I've heard that they have the most 'character'. I recently purchased a book on Freshwater fish species and discovered that they are best in a 'species-only' tank, with the possible exception of armored catfish and plecos. I guess I have three questions (sorry!):

1) the Catfish and Pleco's that I like most is the Sailfin Pleco (Glyptoperichthys Gibbiceps) and the Bristlenose Catfish (Ancistrus Temminckii). Are either of these compatible with the Oscar? Are they compatible with each other?
2) Are there any other fish that the Oscar can be compatible with?
3) Should I buy the Oscar first or the other fish first?

Thanks,

August 16, 2011
11:16 am
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coelacanth
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QUOTE (rmo_3000 @ Aug 15 2011, 09:50 PM) < {POST_SNAPBACK}>
I want to get an Oscar, probably a Tiger Oscar, because I've heard that they have the most 'character'.

All oscars are pretty much the same behaviourally, although the cultivars are probably less likely to show normal reproductive behaviour, and some may be more likely to show deformities or other weaknesses due to inbreeding.

QUOTE
I recently purchased a book on Freshwater fish species and discovered that they are best in a 'species-only' tank, with the possible exception of armored catfish and plecos. I guess I have three questions (sorry!):

Depends on the size of the tank, they're no more demanding than any other similarly-sized South American cichlid, but with a potential size of 30cm you're looking at a large aquarium regardless of other fish.

QUOTE
1) the Catfish and Pleco's that I like most is the Sailfin Pleco (Glyptoperichthys Gibbiceps) and the Bristlenose Catfish (Ancistrus Temminckii).Are either of these compatible with the Oscar? Are they compatible with each other?

Gibbiceps will need 100+ gallons, they are a large fish, 40cm is easily possible, and they are messy feeders which place heavy demands on filtration.
Large Ancistrus are compatible with oscars.

QUOTE
2) Are there any other fish that the Oscar can be compatible with?


Lots, most medium-to-large Amazonian cichlids will do fine, same for characoids and catfish, but it's very much dependent on the size of the aquarium and the filtration in use.

QUOTE
Should I buy the Oscar first or the other fish first?

Doesn't really matter as long as you don't introduce fish significantly smaller than the oscar.

August 17, 2011
6:23 am
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rmo_3000
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thanks for your help. I just got a 75 gal, which I'll start with a couple oscars and a bristlenose..I can't wait!

August 17, 2011
9:55 am
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coelacanth
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You're better off starting with a small group of young fish with cichlids and reducing their number accordingly. With just two in a fairly small tank you've got less chance of getting compatible fish, and one may hound the other excessively.

August 18, 2011
4:04 am
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rmo_3000
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What do you mean? Do you mean a school of neon tetras or mini cory's? Won't they be swept by my Oscars? Or do you mean I should have a school of Oscars, say 4 or 6???? I know I can't keep a group of Oscars in this tank b/c of the waste/poop ...I have only 75 gal. To be honest, I was hoping I could get a couple Oscar with a couple Silver Dollars and a [email protected] Catfish in the 75 gal aquarium...is this happening...realistically???

August 18, 2011
10:32 am
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poshsouthernbird
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February 11, 2011
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QUOTE (rmo_3000 @ Aug 18 2011, 04:47 AM) < {POST_SNAPBACK}>
What do you mean? Do you mean a school of neon tetras or mini cory's? Won't they be swept by my Oscars? Or do you mean I should have a school of Oscars, say 4 or 6???? I know I can't keep a group of Oscars in this tank b/c of the waste/poop ...I have only 75 gal. To be honest, I was hoping I could get a couple Oscar with a couple Silver Dollars and a [email protected] Catfish in the 75 gal aquarium...is this happening...realistically???

I've never kept them so can't offer any info from personal experience but have you seen the info in the Knowledge Base about them? It is pretty comprehensive and well worth a read. I'd guess coelacanth means get a group of young oscars and let them pair up as they wish then just keep a pair which have decided they like each other (hope this is right coelacanth, don't mean to jump on your toes here!)

While you're waiting for a reply from someone more experienced, here are the KB profiles on the fish you're interested in:

Oscars - KB profile

There is also one on silver dollars (Metynnis hypsauchen), seems they need to be kept in groups of at least five

Silver dollars - KB profile

I had a look in the KB for [email protected] catfish' but nothing came up (sorry, couldn't resist /laugh.gif" style="vertical-align:middle" emoid="Laugh" border="0" alt="laugh.gif" /> ) although there are several for ancistrus /smile.gif" style="vertical-align:middle" emoid=":)" border="0" alt="smile.gif" />

Ancistrus - KB profiles

I frequent a couple of other forums too and far too often see over-ambitious stocking in the hope that it will be ok so it's nice to see someone doing some research and questioning whether or not they are being realistic /smile.gif" style="vertical-align:middle" emoid=":)" border="0" alt="smile.gif" />. My goldies old tanks were 75 gal before I got them bigger ones and I'd struggle to picture two fully grown oscars plus silver dollars plus catfish of some sort in them, but as I say, I've never actually kept them.

Hope the KB profiles are useful /smile.gif" style="vertical-align:middle" emoid=":)" border="0" alt="smile.gif" />

www.injaf.org
August 18, 2011
9:10 pm
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coelacanth
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QUOTE (poshsouthernbird @ Aug 18 2011, 11:15 AM) < {POST_SNAPBACK}>
(hope this is right coelacanth, don't mean to jump on your toes here!)

That was pretty much what I was trying to say PSB /wink.gif" style="vertical-align:middle" emoid=";)" border="0" alt="wink.gif" />

November 14, 2011
6:36 pm
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gizmo984
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November 3, 2011
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Werry late response,but...I have keept 4 oscars in 400l tank,with 2 plecos and 5 spoted catfish (pimellodus pictus).Started out with a 150l and 6 oscars and ended up with 4 in almost 4 times bigger tank.
I sugesst that the oscars are to be intruduced to the tank last-they are werry cuorius,need to see everything new,but sadlly they don`t have hands-so they use thir mouth instead of hands.nd we all know how that ends /smile.gif" style="vertical-align:middle" emoid=":)" border="0" alt="smile.gif" />
I have nottesed that:
1.they grow wrealy wreally WREALLY fast /smile.gif" style="vertical-align:middle" emoid=":)" border="0" alt="smile.gif" /> (from 5cm babys to 20cm in 6 months)
2.the pleco and 3 catfish that were in the tank before were OK with the giant eaters and the second pleco (bought at the size of 20cm!!!!) was bullied-while the first pleco was not interesting at all to them and the 3 catfish that I bought so the first 3 would have a bigger schoal were terrorised in the instant they came to the aquarium and one of them was eaten(althought the fish has spikes in almost all fins)-the fish that eat him couldnt eat for a few days
3.they trully are inteligent fish-I called them my water puppys /smile.gif" style="vertical-align:middle" emoid=":)" border="0" alt="smile.gif" /> they did interact with me (as far as a fish can) and they did recodnise me as their care-taker,which means that they would swim up to the glass when I was at the aquarium,I could pet them,they would take treats from my hand-withouth biteing /smile.gif" style="vertical-align:middle" emoid=":)" border="0" alt="smile.gif" />...and if somebody else would approach the tank they would hide (while they were young) and later they would try to bully the "intrudor" away
Sadlly after about 5 years they got some kind of fungal infection on their skin,the medications would not help,and I was watching my beautifull fish decomposing while they were still alive,so ater the first one died I humanilly evtanised the last 3.The interesting part is the albino long-fin pleco survived and I gave him/her to a friend and the fish is still alive(must around 8years old by now)
Hope you don`t have the same "luck" with these gorgeus fish.I will have them again.I promise hehehe
Oh and just read that you`re thinking about silver dollars.I don`t think that this combination is the best choise becouse the piranhas are werry frighfull.And from my experiences (had tem with columbian tetras and angel fish) they were affraid of their own shadow /smile.gif" style="vertical-align:middle" emoid=":)" border="0" alt="smile.gif" /> And I had a group of 8...Well the choise is yours...

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