illness or injury?

Can’t quite understand what’s going on here. For the last 2 days this clown fish had been under the weather. Had him a year, no obvious changes to params recently. I did recently lose a new cardinal but I’m fairly sure was down to bullying as opposed to disease. Can anyone help? I treated with...

Look familiar? I think I need to set up a quarantine tank? Any experience/ recommendations on what to do? He is eating. A little stressed swimming pattern. He is in a predator tank but I don’t really ever see anyone bothering him Everyone else in the tank is healthy. This spiny box puffer is...

Hi! We recently got a guppy and his left fin is looking weird. It doesn’t look like ick but not sure if it’s a fungus/Illness or deformity. Tank is freshwater 20 gal, 79 degrees F, tap water(conditioned), ammonia levels 0, nitrate/nitrate 0 ppm. He can’t seem to move his left side fin and his...

Can anyone help identify what could have killed this blonde Naso tang? He came out of QT medicated with copper and looked beautiful. Took to a customer’s tank and he died one day later snd had these black marks all over him. Anyone know what it could be?