Hey guys just wanted to get your opinion. A few days ago, one of my five roseline had some discoloration on his scales on his back in front of his dorsal. Figured he had just run into a branch since the rest of the fish were not affected. Woke up this morning and now he’s got the same discoloration on the back. Either he’s getting hit during the night by another fish or bacterial. What’s your thoughts since every other fish is fine?




