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Question
Hi Karen,
The previous message is blank sorry for it. i am once again sorry for pestering you with blue acaras. Is it possible to keep 10 Juvenile blue acaras in a 50 gallon tank? Will they kill each other? Can i add corydoras with them?

Right now i am breeding Red Tail Arowana. The female has layed eggs. But the eggs have got some fungus or something. I dont know what it is. it looks like fungus. It is green in colour. Is it because i have bred the arowanas in an outdoor pond?

........Srinivas


Answer
Hi Srinivas,
I am very happy to help you out as much as I can! Now for your questions-
Well ten 8-inch fish in a 50 gallon tank might be O.K but the poor Acaras would probably be a bit overcrowded. A much better choice would consist of about 6 Acaras at the most. Even then it will be cozy but that number will be far better and more confortable for the fish. And you still have a chance of getting at least one pair out of the group.
As with all cichlids, it's best to keep either one fish or several but not just a few. Several usually means six at the minimum, this is so no fish in the group gets all the bullying by the ruler of the group. The ruler cannot possibly concentrate all his aggressive tendancies on any one fish. But keeping just 2 or 3 fish can cause trouble.
So 6 Acaras shouldn't kill each-other. :)
But you could still raise 10 small junvenile acaras in a 50 gallon as long as you planned to move them to a much larger tank as they grow larger.
-Corydoras I don't think belong in any cichlid tank. Except angelfish or Discus of course. They might do fine but eventually someone of going to get badly picked on or even eaten. An 8 inch acara could surely swallow a cory if he was hungry enough....Sorry. But you could try the larger species of catfish --- but not TOO large for they will outgrow your tank as well. You might want to keep a Synodontis catfish species.

-Since you bred the Arowanas in an outdoor pond, the eggs might certainly have fungus growing on them that appears to be green from algae do to the natural sunlight that outdoor pond may be getting. Though regardless, if it is a fungus, you must begin treatment right away. The most common chemical used in preventing egg fungus is "Methylene Blue" that should help. Newly hatched fry should be removed if egg fungus is still present as they can die from it. Sometimes Methylene blue can be harmful to them so remove the fry to a seperate area to prevent any loss.

I hope this helps!

Good luck!

Happy fishkeeping!
Karen~