White mark on tropical catfish

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kevandeve

Aquarium Advice Newbie
Joined
Jan 14, 2025
Messages
3
Location
England
Hello all, looking for some opinions please. I can see a long while mark, similar to a scar, on the side of my catfish. Thought it could be Ich but all the images I've seen suggest this would be small white spots. Any thoughts of ideas would be appreciated.
Image attached
 

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It does appear to be a scratch most likely from rubbing against something hard ( i.e. rock, wood, etc). Are there any other larger catfish in with this one?
 
Thanks for the reply.Yeah, there's another one, different type and much smaller
That could be a mark left by a fight between the two catfish but more likely from rubbing against the hard object ( whether trying to escape the other fish or just from rushing through the area where the hard stuff was. )
 
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