Beginning an Oscar Tank

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danperagine created the topic: Beginning an Oscar Tank

I first would like to to Introduce myself, my name is Dan and as a kid I used to be a Tropical Fish enthusiast. Almost every chance I got to go to a store called "South Shore Tropical" whenever I could get a ride I did. I cycled through many different fish like clown fish, guppies (breeding), Mollies (breeding), Gourami's, Tetra's, and I did ultimately get Oscars. I loved my Oscar's. however as an uneducated kid I did not realize I had an inappropriate sized tank for them and I got THREE of them in a 20 gallon :(. However I loved these little guys and now that I am older and I have the opportunity to begin a tank once again I would like to do so. This time I would only Purchase one young Oscar from a high end fish distributor that I know is healthy and let him roam a whole 75 gallons to himself! My question to all of you is What equipment and tank setup would be best for an Oscar and potentially an Arowana tank-mate. I understand if I want to go absolutely state of the art on my tank I will have to spend an upwards of $1000, which I cannot justify at this point of my life, but please let me know if every last bell & whistle is essential for the Environment of a Oscar + Arowana tank I want to build. Equipment by name is appreciated as I can continue doing research after reading your kind forum post helping me out. I would love a mentor in Oscar care as well if anyone is up for a new friend :)

- Dan
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OFL replied the topic: Beginning an Oscar Tank

If you want to keep an Oscar and an Arowana then you're going to be looking at over 200 gallons easily. If you're going to be spending a lot of money then you may want to consider having the tank custom-made. Arowana are quite long and therefore they will need a fairly wide tank in order for them to turn around when they get bigger. If it was me, I would be looking for something that was at least 3 foot in depth. Anything less and the Arowana is going to have problems manoeuvring in the aquarium when it does reach adulthood. I'm afraid many people see them as small juveniles at around 6 inches and don't realise just how big they can get.

If you're going to be keeping these sort of fish in your filtration is going to have to be very efficient. I'd probably go down the road of installing a sump filter. If you don't want a sump filter than you should be looking at a couple of the Eheim filters that are rated up to about 1200 L.

To be honest with you, I will be raised surprised if you could install an aquarium like this for $1000. So maybe you should stick to maybe 150 gallons with two Oscars and a couple of the smaller Eheim filters.

I may not always be right, but I am always the BOSS :-)
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danperagine replied the topic: Beginning an Oscar Tank

OFL wrote: If you want to keep an Oscar and an Arowana then you're going to be looking at over 200 gallons easily. If you're going to be spending a lot of money then you may want to consider having the tank custom-made. Arowana are quite long and therefore they will need a fairly wide tank in order for them to turn around when they get bigger. If it was me, I would be looking for something that was at least 3 foot in depth. Anything less and the Arowana is going to have problems manoeuvring in the aquarium when it does reach adulthood. I'm afraid many people see them as small juveniles at around 6 inches and don't realise just how big they can get.

If you're going to be keeping these sort of fish in your filtration is going to have to be very efficient. I'd probably go down the road of installing a sump filter. If you don't want a sump filter than you should be looking at a couple of the Eheim filters that are rated up to about 1200 L.

To be honest with you, I will be raised surprised if you could install an aquarium like this for $1000. So maybe you should stick to maybe 150 gallons with two Oscars and a couple of the smaller Eheim filters.


What about an Oscar on its own?
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muddybear replied the topic: Beginning an Oscar Tank

A 75 would be ok for a lone Oscar. A good, large capacity canister filter that will circulate you water 5 times per hour (min) is the way to go. I personally like to use fluval, I run an FX6 on my 150 and a 206 on my 30.
I also run an all pond solutions/sun sun/aquatop (name changes depending where in the world you are). I would also advocate running a sponge filter to supplement your canister.
As for heaters-again, I like the fluval E series. Easy to set temp-accurate thermostat and supplied with a very sturdy guard. I use the 300w in my 75 and 2 in the 150.

If you are considering 2 Oscars then you need to be looking at a 125 (bare minimum). I'd forget about the Arowana.
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JohnthePiper replied the topic: Beginning an Oscar Tank

One oscar on its own would be perfectly happy in a 75 gallon, which could be done fairly inexpensively. I keep my two year old Albino is in a 75, and he shares his tank with four 5inch silver dollars quite happily. Just as a sample, here's what I bought:

75 gallon tank with aqueon glass hood - bought used for $90
Penn-Plax Cascade 1500 canister filter (it has mixed reviews but mine is a champ at keeping my tank clean)- $99 online
Current LED light bar-$45 at a local fish store
Fluval 300watt heater(excellent heater for an oscar, because he might clumsily break an unprotected heater)-$50 online
$200 dollars on various rocks, a large piece of driftwood, and 100 lbs of aquarium gravel

Overall, I've spent about $500 on my tank, minus chemicals, and it is running excellently! Most of what I listed can be found for cheaper than what I've listed if you're diligent enough in your search. Depending on temperament, you may or may not be able to house other fish with your oscar. I know my oscar doesn't really mind his SD roommates, but my friend housed some with his oscar in a 125 and it chased them endlessly. Another decent tank mate in a 75 gallon would be a Striped Raphael catfish, because it wouldn't outgrow the 75g like many others would, and it would feed on any waste he produces.
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