Arowana and other fish hiding in Corner

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SuperNinja

Plecostomus
MFK Member
Apr 30, 2014
124
117
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Desert
Hi everyone,

so i’ve been battling this odd behavior in my tank. It’sa 96x30 deep 24 tall 300 gallon all parameters are fine and i test want water change 3 times a week. My arowana seems to just sit in the one spot all day long. I thought it was decor so I removed it. I also took down one of the two lights i had. But basically all my fosh congregate in one corner of one side. I have powerheads and have tried every configuration of on off and flow levels. I added some silver dollars as dithers to calm everyone down but I don’t believe it’s helping.

are there any secrets to getting your fish to be less shy or more active when it comes to monster fish? Thank you!

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How long have the fishes been in the tank? If it’s a new setup it will take days or weeks for them all to get comfy. Give them time they’ll come around.
 
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Apparently the silver dollars don't have the same desire of piling onto a corner of the tank, as they are not visible on the picture (unless the picture was made before introducing the dollars). That in itself is curious.
 
I had a bunch of driftwood with plants in the tank and they did the same thing so i moved it to another tank. Current temp is 81-82 degrees. Yes silver dollars are in there and don’t hide in the corner
 
+1, try turning off the powerheads and see if that helps. Are they eating normally?
 
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Generally speaking and assuming that water conditions are good...if you have fish that appear stressed and frightened, the absolute last thing to do is remove all decor/cover to leave them forcibly exposed and thus even more stressed.
 
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