fish sick

I got these dispar Anthias recently and they are showing these weird red marks. Is this Uronema? It’s one 4 of them. Should I euthanize them? I have chromis, damsel and Evansi Anthias in the Qt with the dispar but they aren’t showing any signs of illness. That is why I am curious if I should...

So I have a Royal Gramma. Beautiful fun fish to have! However a couple of weeks ago it had a grey circle on its side. So I started treating for a bacterial infection. After a week with no improvement I did a big water change and started treating for a parasite infection. Again, after a week with...

Please help, Today i spotted something like wound on my yellow eye kole tang. She’s perfectly fine yesterday. Any suggestion of what happen and how to cure

I have a clownfish has pop eye and the royal gramma seems be doing this weird thing against the wall. He also is not as purple as he was. All other fish seem fine, eating and Swimming healthy. Just did a water change today as well, all levels are fine as they should be. I’m pretty new to this...