Tiger barb looks bruised, with small open area.
Hello, I have a tiger barb who just this morning looks to be bruised on one side. There is a tiny area in the bruise that looks open. He is the only fish who has this bruise, which makes me lean toward it actually being a bruise/injury versus illness. He is 1 TB of 9, plus 4 cory cats, 3 flying fox fish, several nerite snails and 1 common pleco in a well established 75g tank. All fish are at least 8 months old if not older. I don't know the water parameters. We're due for a water change and are awaiting our shipment of filter media for our marineland canister filter.
Anyone experience fish injury before? I suspect he could have got caught between the pleco and a structure...