Black spot in arowana

Scorpio99

Jack Dempsey
MFK Member
May 17, 2019
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Maldives
IMG_20190823_175621__01.jpg

I noticed a black spot on the back of my banjar red arowana. Do anybody know what this is and the cure??
 

islandguy11

Redtail Catfish
MFK Member
Sep 17, 2017
2,217
3,762
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Thailand
I noticed a black spot on the back of my banjar red arowana. Do anybody know what this is and the cure??
Can't tell 100% for sure from the pic but it looks like it got a little injured and a top scale was knocked off. If that's the case it'll heal over time by itself, though do keep the water clean and watch for possible secondary infection. Some might add a bit of salt and/or catappa leaves to help with the healing process.

The scale itself should come back pretty quickly (about a week), but for coloration/shine to return it can take quite a bit longer, just have to be patient.
 
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