Black spot on silver arowana, help!

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ArwanaArowana

Feeder Fish
Feb 13, 2025
3
1
3
35
I bought this silver arowana about a month ago. It has this black spot when I got it. The lfs boss lady told me that it both with black marking. I was wondering if this is some sort of disease. Will this go away when it gets bigger? I haven’t seen any black marking like this on the internet before. Have you guys seen black marking like this? Please let me know, thanks!
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Not sure what to make of it. If it’s acting normal, then just watch for now. Maybe other members have better ideas.
 
Looks like a pigment mutation…could stay the same, change, or go away as it grows. No biggie IMO… i recieved a fish at 5” with a black spot/patch. Its 40”+ and its still there. Grew with the fish. It changes a bit but basically stays the same. Its a spot of melanism.
 
Dont worry about it keep good water condition clean and clear and I hope will heal soon with an good water condition treatment thanks thats all I can say.
 
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