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Silver Arowana Tips

For some perspective, my silver went from 6 inches to 22 inches in about 8 months before he died. Tank needs to be 3 feet front to back minimum. Anyone who believes they can be kept in a 6ft tank needs to give up keeping fish.

The 6' 125g he's in is temporary and he's only 3 to 4 inches right now. I have a 8' x 30+" acrylic tank someone is offering me lined up to move him into next.
 
For some perspective, my silver went from 6 inches to 22 inches in about 8 months before he died. Tank needs to be 3 feet front to back minimum. Anyone who believes they can be kept in a 6ft tank needs to give up keeping fish.
I e experienced less growth but fairly close, started at the same size, got it to about 16-18" in around 5 months, is is feeding are sticks once a day, skipping days sometimes, and he wasn't the only fish so he didn't get all of it, he was with greedy cichlids. I believe a guy grew three up to 2' in one year, he might've power feed them though, idk. But one should assume 2" of growth each month for an aro in the right conditions. So if you plan in caring for it properly, feeding it enough and keeping up with water changes etc, that tank won't last more than a few months, as others have stated it is a very active fish and will utilize the whole tank front to back and side to side. The 220 isn't worth upgrading to because it won't last much longer and you will be out $1000+. Use the money and buy the materials to build the final home. Imo a 600g 8x4 is good for a silver aro as a final home, you may decide differently once it's in the tank however if it gets larger and with its activity. 6' and even 7' isn't enough imo. The 8' is pushing it. And 4' width is good.

So again, skip the 220 and buy the materials you need and get to building the larger tank ASAP. As said they are flexible, so though the fish won't be happy, you can get away with the tank for a little longer if necessary.
 
I e experienced less growth but fairly close, started at the same size, got it to about 16-18" in around 5 months, is is feeding are sticks once a day, skipping days sometimes, and he wasn't the only fish so he didn't get all of it, he was with greedy cichlids. I believe a guy grew three up to 2' in one year, he might've power feed them though, idk. But one should assume 2" of growth each month for an aro in the right conditions. So if you plan in caring for it properly, feeding it enough and keeping up with water changes etc, that tank won't last more than a few months, as others have stated it is a very active fish and will utilize the whole tank front to back and side to side. The 220 isn't worth upgrading to because it won't last much longer and you will be out $1000+. Use the money and buy the materials to build the final home. Imo a 600g 8x4 is good for a silver aro as a final home, you may decide differently once it's in the tank however if it gets larger and with its activity. 6' and even 7' isn't enough imo. The 8' is pushing it. And 4' width is good.

So again, skip the 220 and buy the materials you need and get to building the larger tank ASAP. As said they are flexible, so though the fish won't be happy, you can get away with the tank for a little longer if necessary.

What's your ballpark cost estimate to build an 8' x 4'? I would be fine with using only one or two sides of glass or acrylic and watertight plywood or something for the other sides. Like I said, someone is offering me an 8' x 30 or 36 inches tank for $700 that I will definitely go for over the 220, but building my own is my main intent.
 
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I couldn't tell you that, haven't been through that phase of the hobby quite yet but I plan to one day. But if you need help figuring out how to do it etc, go on YouTube and search king of diy, go through his videos. He's got lots on it. I can say doing it yourself would be cheaper than buying it off a place.
 
The 6' 125g he's in is temporary and he's only 3 to 4 inches right now. I have a 8' x 30+" acrylic tank someone is offering me lined up to move him into next.
Sorry, the last half of my statement was not directed at you. It's good that you are planning on doing it right. If you are really serious about keeping the silver for life, I would start looking in to plywood tanks. Several members here have built them, and you can save a lot of money. As far as cost, depending on what tools you have yourself I would guesstimate 2k for a tank the size you're talking about. That's all together including all the bits and pieces for plumbing and whatnot. It would be a good topic to post in the diy section.
 
The sizes quoted here are really big... Is like quoting as big as 1 can to compensate for holding them captive.

I believe a 6ft is enough for 1 aro...
How long is your arowana and what is your current tank dimensions?
Which arowana do you have, jardini and pearl are smaller than silver.
 
My experience keeping an adult silver arowana in a 220 was pretty bad... I'd say it should get an upgrade from the 220 before it hits 20 inches, ideally (that's about the size at which I began having issues).
 
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Is cover nec
Also make sure you cover all openings and will need weight or clamps on lids they are natural leapers. I suggest no agressive tankmates. Feed floating foods.[/QUOTES (is cover necessary)