Help!! Arowana open gills!! Why?!

[Sam Jen Kang]

Hey guys..

I just checked on my arowana when i'm back home. The gills was open. May i know the reason and whether there is any cure to it please?!
It was perfectly normal. But suddenly today the gills opened! ANY ADVICE BROS?!

[KongSK]

Any possibility to share pictures of its condition?

Sent from my GT-I9305 using Tapatalk

[AQMS]

It could be your water parameter...
What kind of filter and media did you use?
How long do you have the fish for?
When is your last WC?
Here is link that you can use to compare you Aro to the problem that you have.
http://www.predatoryfishkeepers.com/...ure-by-Qian-Hu