3 Anthias died in QT over 2 weeks :(

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Hey all,

I had 3 Lyretail anthias and 1 convict Tang in a 20G QT tank. All 4 fish were smallish but not tiny.

The tank has a 100w heater, small powerhead and a sponge filter. The filter was cycled from my main tank and I used Seachem Stability to guarantee I had some biofilter.

They went into QT for 3 days and I had them eating flake and frozen no problem. I then did a 3 week CP treatment, keeping an eye on ammonia and feeding them 2-3 times a day. I kept nori in the tank for the tang 3-4 days a week.

The first Anthia died on the last day (21) of the CP treatment, just laying on the bottom dead. The second was hiding and acting strange and then died 24hrs later. That was 2 weeks ago today. Since it was the last day of the CP treatment anyways, I did a 30% water change, added a bag of carbon and dosed some Prime and Stability to make sure there wasn't any spikes from the two dead fish.

The last anthia was fine, active and eating, since the other two died. I did two treatments of Prazipro after making sure that the remaining fish were healthy. Today (last day of the 2nd Prazi treatment), the last anthia was hiding and acting skittish and died sometime around 3pm.

None of the fish that died had any visible signs of disease or damage. The gills looked normal to my eyes and I couldn't see any spots or lesions on their bodies. They all seemed to be eating and they had normal belly's when they died, no visible skeleton or shrinking around the skull. Here's a couple of pictures I took of the anthia that died today.

http://imgur.com/a/iZuDI

Any ideas what happened or what I did wrong? This really rankles. I originally was going to have a shoal of 6 Dispar Anthias but the LFS only had 5, one jumped and died behind the tank and another developed some severe deformities and lymphocystis. The 3 lyretails were gonna be replacements for the dispar's that didn't make it.
 
Did something possibly get in the water? Aerosol transmission?

My bathroom is close to my DT and one day I came home from work and found my husband spraying Lysol and the fan was blowing it right on top of my tank! Boy was I ever [emoji35]!! I found my clown fish dead on the floor the next morning.
 
Did something possibly get in the water? Aerosol transmission?

My bathroom is close to my DT and one day I came home from work and found my husband spraying Lysol and the fan was blowing it right on top of my tank! Boy was I ever [emoji35]!! I found my clown fish dead on the floor the next morning.

QT is in the basement along with my sump/fuge/fragtank from the DT and a QT tank for my corals. Everything else is fine so I don't think that's it.
 
Hi I'm sorry for your losses. I do see something on the first picture of your anthia. It looks like a dark area behind the eye. Almost maroon and kinda bumpy. Am I seeing that correctly or is it a trick of the camera?
@Humblefish
 
My first observation is that that Anthias is very thin, are you sure that fish was eating?
 
I think the maroon/red stripe is normal for female Lyretail anthias. However, the fish do look a little skinny. Ever see stringy white poop come out of any of them? Intestinal worms seem to be going around right now.
 
I think the maroon/red stripe is normal for female Lyretail anthias. However, the fish do look a little skinny. Ever see stringy white poop come out of any of them? Intestinal worms seem to be going around right now.

What I'm seeing is right above that. It's darker and almost bumpy
 
I think the maroon/red stripe is normal for female Lyretail anthias. However, the fish do look a little skinny. Ever see stringy white poop come out of any of them? Intestinal worms seem to be going around right now.

No white poop at all. The fish seemed as skinny when I got them as when they died. The last one to die was on the last day of two prazipro treatments.

What I'm seeing is right above that. It's darker and almost bumpy

Didn't notice any spots out of the ordinary. The darker patch and lines around the eye seem to be the same on each lyretail I've seen.


I'm wondering about the possibility of latent organ damage due to cyanide collection or osmotic stress from being improperly acclimated. My QT water was matched 100% in salinity and PH to the water they came from but the store that brought them in isn't always known for their best practices.
 
Didn't notice any spots out of the ordinary. The darker patch and lines around the eye seem to be the same on each lyretail I've seen.

I guess I'm the only one seeing it. It's certainly not something I've seen in any of the ones I have at the store. I'm not talking about the dark stripe that's supposed to be there. What I'm talking about edges that normal stripe and is just above it. But alas, I may just be tired and seeing things. :confused:
 

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