Pairing Black Arowanas?

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It is worth noting that this exact fish was initially purchased as part of a trio. They lived happily together for three months.

Then one morning I woke up and they all had serious gashes missing from their fins, marks everywhere, barbell damage, etc. I immediately gave away the tank's bully (not one of the Aros).

The next morning I woke up and one was dead. Guess I singled out the wrong fish.

I sold the other Aro at a discount to a nearby rescuer that day... thankfully they both recovered.

That's not to suggest that he'd encounter the same issue again. That was 2008 and obviously the fish has grown and matured. But it came out of nowhere and was nearly lethal to all three fish. That was enough to convince me not to try a multi-aro setup again.

But many people on here have done it successfully, and he's big and hardy enough that you'd have plenty of opportunity to spot and stop any fighting. So it's certainly possible.

Saw the pics in your ray thread, btw. Put a big smile on my face. Very glad those fish went to your tank.
 
Thanks Dave and glad you saw the pics, was just getting ready to send some your way actually! The aro sure has put on some size the 4 or so months I have had him. The Uaru are in the tank and getting quite large as well, I would say a solid 10" each. No confirmed spawning but they could be.
 
Yes, definitely please send some more pics!

They could be... could also both be the same gender too. Hard to tell with those fish. I should check in with the guy who bought the other four to see if he has had any activity.
 
I will get some pics sent over to you soon. They never leave each other's side!
 
I started with 4 and waited for two to pair up. I now have a naturally bonded pair. One thing to look for is the male will have a big jaw profile compared to the female. Reason...The male holds the eggs.
Also since they have paired my female stays pretty dark in color compared to the male.
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My dream combination tank Arowana+freshwater stingray. great looking fish and a tank
 
Nice tank! Blkpiranha what are those two fish called? silver with black patterns and blue-ish fins?
 
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