Sick Clown - white poo, mouth open, fast breathing, no eating

danvito

New member
Hi guys,

Apologies in advance if I am not providing all the info you need here. I am very new to marine fish. I kept multiple freshwater tanks for years when I was younger, but not had any aquariums for about 15 years. I have recently set up an AquaOne 620 (90 litre) as a marine tank. I have had it going for around 2.5 months with live rock, and last 5 weeks with fish in it. I have two clowns (one orange, one black - but both the same breed - Percular??), a blue tang, an anemone and a star fish. I have no intentions of adding any more life to the tank.

My local aquarium owner helped me throughout the setup process, including doing weekly water checks for me before I added the fish. I initially added two black clowns and one died unexpectedly within a few days. All the water tests seemed to indicate no problems so I replaced him with an orange clown and added an anemone. The new clown immediately took to the anemone and the existing clown got very aggressive trying to stake his claim on it too. They fought HEAVILY for a day or two, but eventually became a little more relaxed and only fought occasionally. They have been happily coexisting now for a few weeks but the (slightly smaller) orange has been sporting the war wounds since.

So I added a blue tang about 5 days ago, and a star fish at the same time. They have both been fine in the new tank. But almost immediately (possibly unrelated!) the two clowns lost interest in the anemone. The orange one has been swimming with its mouth permanently open, swollen red gills, heavily breathing, not eating, and has a white stringy poo / faeces. There appears to be some white growth on the left pectoral fin but I can't be certain if that was already there. There also may be a little white growth on its eye.

Here's a video of it:

http://www.youtube.com/watch?v=Vp4Pze115Mw

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From my research so far it would indicate it might be a parasite. Can anyone confirm based on the footage?

I do not have a QT setup, nor do I have any test kits to confirm the pH/nitrates (they were fine two weeks ago when tested at the aquarium though). The temperature goes between 26 and 28 C and the specific gravity is 1.021/28.5PP1. I will definitely be getting all the test kits tomorrow. But it's Sunday night now and I'm hoping to get a diagnosis so I can handle it first thing tomorrow morning.

Thanks in advance!!

Daniel
 
I bought a test kit (all tests were fine) and bought a whole QT setup (27L tank, sponge filter, heater). I took all the water for the QT out of the main tank and did a water change for the main tank to fill it back up. I transferred the clown over and I put in the recommended dose of Cupramine. It all seemed like it was going well until - after 6 hours in quarantine - he died unexpectedly as I watched.

RIP little guy.

So... some lessons I need to learn from this:

1. Is my process of setting up the QT okay? i.e. simple tank, minimal disturbance to the fish by using the main tank water knowing it's the correct temp/pH/etc.
2. Is cupramine a suitable medicine for the fish? Could I have overdosed it?
3. Is it that it took me too long (~4 days) to react to the problem that caused the death - i.e. was it too late - or is there something else that I may have missed that could have helped save him?
4. I am sure there are plenty of other thoughts you all have - please give them to me! I want to make sure I don't let any more fishies die due to my ignorance.

Thanks guys.
 
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