Hamlet ill, need help

I greatly appreciate the help I have gotten previously, and all other fish in the quarantine are doing well and show no sign of illness except my hamlet.

1. How old is this aquarium? ~5 weeks old, set up as emergency quarantine, 57g tank

2. If less than six months old, what is ammonia level? 0.02 ppm, am going to do water change later today.

3. What is SG of this aquarium? How measured? 1.025 refractometer

4. When was the last fish added to this aquarium? All fish (2 tangs, 2 clownfish, marine betta, indigo hamlet, flame hawkfish) were added at the same time. About a week ago these fish completed 21 days of NLS Ick Shield. 3 days ago I added Prazipro but do not see improvement in the hamlet.

5. Was it quarantined? If so, how? And how long? Was it prophylactically treated? How? N/A, system is a quarantine.

6. If you are using a copper based medication, which one? How often do you measure level? When? Not using copper.

7. If you are using hyposalinity, how did you calibrate your refractometer? N/A

8. Please describe in detail, the appearance of the fish? If there is one or more pimples, are they lumpy? What color?
The hamlet's pectoral fins are opaque and seem clamped (like he can't fully extend them like he should be able to). Also there is some thickness and opaqueness on the edge of his caudal fin as well his dorsal fin. His waste is white, not stringy though. The attached images are the best I could get to showing his fins as he was really not appreciating me taking pictures this morning. He has no spots, film or lumps.

9. Please describe the behavior of the fish as best you can. Is it acting reclusive? Is it always up towards the top of the aquarium? Is it avoiding light? How active is the fish? Fish is more skittish than normal, acting stressed and not eating well. He is hiding by one side or the other of the center overflow most of the time and towards the top of the aquarium too. All other fish in the quarantine are acting and eating normally. I have seen him chased by one of the tangs.

10. Is the fish eating? What? I think he is eating some krill, but he is not the big eater he used to be. He usually is a huge fan of krill that I soak in Selcon but is also offered mysis and spirulina brine shimp.
 

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I have never treated these fish with Prazipro before except the treatment noted above.

Is Prazipro what you would suggest I do? How many treatments, i.e. should I re-add Prazipro every three days for a total of three treatments, or?
 
Follow the directions on the bottle which is treat for 5-7 days with a large water change at the end of treatment. I and a lot of others then do a second treatment lasting the same amount of time followed by a water change at the end again.
 
Thanks, I will re-treat again today. The instructions confused me: "A single treatment lasting 5-7 days is normally sufficient. Repeat as necessary, but no more than once every 3 to 5 days." I wasn't sure if I needed to re-add the medication after 3 days or 5 days to complete the 7 days of treatment. Just over-thinking it I guess!
 
The directions say that because PP is only effective for 3 days or so even though Hikari claims 5-7 days
 
Today is day 3 of treatment and my hamlet looks terrible. SO is going to re-dose Prazipro tomorrow, but shouldn't I be seeing some kind of improvement? All the edges of his fins are tattered now, but he is not being picked on at all. He is not interested in food.

I am going to at least treat for 9 days (re-adding the dose of Prazipro day #4 and day #7), but should I be considering trying something else? Freshwater dip? Treat with Cupramine after the 9 days of Prazipro treatment? Formalin dip (if this is the suggestion, is this product that I should use http://www.amazon.com/dp/B000O39SBK...TF8&colid=2MCFIRUFS113L&coliid=I18N3HOY419GUQ )

Also, why are none of the other fish showing similar symptoms? I especially thought tangs were super sensitive to everything.

ETA: How long does a tank need to remain fallow for flukes to die off?
 
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Yeah then I would suspect fin rot. Try to control things like water quality and varied high quality diet. You may have to treat with a broad spectrum antibiotic
 
Here are the best pictures I could get.

Should I keep treating with PraziPro? What antibiotic would you suggest?

I will do a big water change tomorrow, but the water is showing no ammonia at least. I am feeding frozen mysis, spirulina brine shrimp and krill pieces all soaked in Selecon. I am feeding some Formula 2 flakes, Would you suggest something else?

Also, why are none of the other fish showing symptoms? They all look great!
 

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The food variety is good and soaked in selcon makes them better. Para guard supposively works for fin rot although I can't speak to if this is the case or not. Any broad spectrum antibiotic you can easily get your hands on would be better than nothing at this point. Can't really tell you why other fish aren't showing signs of fin rot. Could be his immune system is weakened to the point of infection? I had a anthia years ago that developed it but no other fish ever did and I did nothing for treatment. Putting the hamlet in a hospital tank and changing the water every 2-3 days would be best. Or at the first signs of ammonia. Hopefully someone else will comment to see if I'm missing or overlooking something
 
Thanks for the help Dmorty217, but he didn't pull through.

The remaining fish in quarantine look great and are eating great at least... This whole thing has been quite disheartening. Whatever caused the initial infection came in on a coral although we dipped it in CoralRX, but I now know you basically have to quarantine any new anything for 12 weeks.
 
Thanks for the help Dmorty217, but he didn't pull through.

The remaining fish in quarantine look great and are eating great at least... This whole thing has been quite disheartening. Whatever caused the initial infection came in on a coral although we dipped it in CoralRX, but I now know you basically have to quarantine any new anything for 12 weeks.

Yes, CoralRX is mostly plant based which works well for most bugs and worms that come in on coral but does nothing for any kind of disease. Sorry about your loss, always is a bummer when you lose a fish.
 
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