Question

[p4nda]

In the near/far future
i'd like to get Three Silver Arro, two Spotted Gar, an Arapaima, a White sturgeon, a couple peacock bass, and maybe a Pacu or two.
What size Tank/Pond would you suggest?(Especially Pond) do you think these fish will get along together?
If not, which of these do you think will get along the most?

 

[leviathon13]

Good lord dude, thousands of gallons, those are some if the biggest monsters ever

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[p4nda]

I'm thinking of starting out with babies y'know? so i can watch them grow and stuff..
Do you know if one will outgrow the others and eventually eat all the others?

 

[Mavrick813]

Even if you start out with Babies. They all grow at different rates and at some point in time the RTC will be the biggest which will put the others in danger. That being said. With their growth rates your looking at needing at least a 300-500 tank within the first year IMHO. With intentions of going to at least a 5000+ Gallon pond Shortly after.

I'm sure others will e along shortly with more specific growth rates of the monsters your contemplating.

 

[Water]

Ideally, shoot for at least 1500gallons minimum. Make sure the RTC is at least a couple inches smaller than the others. Arap, Silver and Sturgeon will grow fast as well. Pacu's grow extremely fast as well so keep them about the same size as the RTC.

 

[p4nda]

Hmm.. ok Thanks
Will they be fine with the others or will they be aggressive?

 

[HungDang]

Even if you start out with Babies. They all grow at different rates and at some point in time the RTC will be the biggest which will put the others in danger. That being said. With their growth rates your looking at needing at least a 300-500 tank within the first year IMHO. With intentions of going to at least a 5000+ Gallon pond Shortly after.

I'm sure others will e along shortly with more specific growth rates of the monsters your contemplating.

you forgot their is an arapima in there! the grow rate in length of an arapaima is usually 2 time the RTC(and he didn't say there is a RTC), they can reach 6'(over 150lbs) after 2 years.

 

[HungDang]

Ideally, shoot for at least 1500gallons minimum. Make sure the RTC is at least a couple inches smaller than the others. Arap, Silver and Sturgeon will grow fast as well. Pacu's grow extremely fast as well so keep them about the same size as the RTC.

I think youre missing a 0, but even 15000 gallon is not enough to hold them for long. I think a 30000 or bigger should be fine.
for the OP, you will have to keep them separated at baby because these fish have so much different grow rate. Silver arowana and sturgeon might have the same grow rate(about 1-2 in a month), spotted gar is most likely a no for this tank because their captivity max size is too small to survive some thing like the arapima, pacu seem to be ok for most part, pima is the fastest growing fresh water fish that I know and you will need a very large tank/pond right at the begining.

 

[p4nda]

What if i took out the spotted and added an Gator gar?

 

[Oddball]

If you introduce a gator gar then it'll be best to lose the silver aros. The gator will dominate the levels the aros prefer.