Aquariums: Orca Wood Catfish (Centromochlus orca)- first time seeing this; any thoughts on whether this looks like an abrasion on a rock, or a bacterial infection? No other species in this tank could inflict harm.

Orca Wood Catfish (Centromochlus orca)- first time seeing this; any thoughts on whether this looks like an abrasion on a rock, or a bacterial infection? No other species in this tank could inflict harm.

Posted by Charming-Course3704