infection

I work at a pet store but cant tell what this is one of the people I work with says it looks like he scrapped his body on something and another said it looked like an ulcer not sure what to do worried just did water change. added aquarium salt cause I thought it was fin rot. he mostly stays in...

Within a few hours, one of my danios acquired a white fungal looking growth on it's mouth that forced it to stay open. In fear of a bacterial infection, I isolated the fish in another tank holding the same water to the previous tank. I immediately put an antibacterial in both tanks and changed...

I adopted a red male betta fish from a cheap side road shop this year and he has gone through some tough times due too my lack of experience. He has jumped out of a bowl while I changed his tank and suffered a damaged fin. It has healed and he seems fine but about six months later, after leaving...