Is it possible to put a 12" black arowana and 12" jardini in a planted 225 gallon tank? will the jardini kill the black arowana? i need space in my house so putting both of them into one tank will help a lot. what do the pros that have done this before say, any advice??

I wouldn't try it Jardinis are so agressive i could see him killing the black pretty quick. or at least damaging it pretty bad.
I tried a silver 10" with a 6" jardini about ten years ago and it killed the silver...hope this helps.

That would depend on the jardini's temperament and how many other fish you gonna add in the tank to spread out the aggression. If it's the only jardini and black in the tank then the jardini will kill the black as it's the fish his going to see.

I have an 20" jar with a 21" green and 15" silver with 2x 12" blacks and no is bothering each other, they just swim pass each other.

i see, i was just going to put them two and nothing else. i guess i won't do it then....

I would advise against it. Jardinis in general can be quite aggressive. All the Jars I've had in the past including the one I have now destroyed everything else in the tank.

the answer to your question is YES, it is possible, despite what other people assume





bigger then the sizes you suggested, and not a missing scale between them.

nuf said!

It would be possible but there is a good chance they will fight, with the jardini being the stronger one as they are very aggressive.
It all really depends, some people have done it and some have had bad experiences which you might not wanna risk.

The general answer is an enthusiastic no. However, things need to be assessed on a case by case basis, and the addition of a few large dithers may reduce aggression. It seems as if Bitteraspects has made it work, so I can't tell you it's not worth a try. However, on the average, jars are far too aggressive to be housed with other aros and most other surface dwelling or defenseless fish.

I totally agree with what's said here. It can be done, but be prepared. I had a 6", $20 jar kill a 12", $200 wide bar... AH!! I would suggest it wouldn't work, but it always COULD...

I had a jar and a black housed in a 230 gallon and the black was always chased and his fins where always frayed.

Nope, didn't work. Damn jardini is too aggressive and keeps chasing and nipping the blues fins. Oh well, I have a 125 gallon and 225 gallon so I will put them in those separate tanks. They also look better by themselves.

LOL! I haven't checked AP in a LOOOOOONNNNNNGGGGGG time and bitter something here stole my pictures to prove a point and took credit....this is too funny man.

These are my arowanas in the past and if no one believes go into MFK and go search for "Hmoobvwj" threads....When I had these two they worked great with no aggression towards one another what so ever. I also had a 11"-12" silver in with them and the Jardini never messed with them at all. But sadly to say I sold them and now I'm starting to get back into arowanas again.

Again thanks for stealing my pictures and taking my credit....

looking good, nice color even with low lighting, looking bulk & healthy! awesome...they look like friends....NICE!