arowana darkness disease

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FreshwaterHawaii

Gambusia
MFK Member
Apr 1, 2011
203
0
16
Hawaii
Hello everybody,

I recently got a baby silver arowana from my lfs. He was in a tank about 20 gallons and was doing fine for the first few days. Then i noticed he was turning really dark in color and wouldnt swim around much. A day later, he died. I then got another baby silver and placed it in a 55 gallon tank by himself. After one day in the tank, i noticed he was also turning very dark in color and his fins were practically gone. He too has also died. I dont think its the water quality, since there is also another baby arowana who is doing fine. I dont know whats going on. Please help! any advice? Thanks for reading.
 
Maybe he was given a wicked beating by the other aro! f
 
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