I'm not sure what you're referring to, but what I see looks like gas bubbles.
David
If it adheres to the fish's gills, yes, but gas bubbles usually dissolve quickly. Did you just do a water change prior to taking those pictures?Is that bad?
If it adheres to the fish's gills, yes, but gas bubbles usually dissolve quickly. Did you just do a water change prior to taking those pictures?
David