What killed my bristletooth

McCarrick

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Hey ya'll. Sad day to post. I was nearly done with ttm with a blue eyed tang. I was on transfer #3 treating with copper. I came home today (fish was eating and alive this morning at 8:00) came home at 2 and my fish had died. Any ideas what killed my fish? It did not have these dark marks the other day.
20230912_150259.jpg
 
Hey ya'll. Sad day to post. I was nearly done with ttm with a blue eyed tang. I was on transfer #3 treating with copper. I came home today (fish was eating and alive this morning at 8:00) came home at 2 and my fish had died. Any ideas what killed my fish? It did not have these dark marks the other day.
20230912_150259.jpg
Can be a number of things like flukes, startled and crashing into object, ammonia spike/low oxygen.
if the fish was found with mouth open, may be oxygen. If mouth bruised, mechanical injury. If flukes, a skin scrape under microscope may offer clues.
Its often hard to tell from a dead carcass
 
Any pictures of it alive/ and or did it have/ showing symptoms of some kind of distress or behavioural problems, bullied, lost/ trying to escape/ hiding
 
Hey ya'll. Sad day to post. I was nearly done with ttm with a blue eyed tang. I was on transfer #3 treating with copper. I came home today (fish was eating and alive this morning at 8:00) came home at 2 and my fish had died. Any ideas what killed my fish? It did not have these dark marks the other day.
20230912_150259.jpg
Tough to say with just a dead fish in hand, so many changes take place after death - that’s likely what the discolored patches are.
Were there any other fish in with it?
If so, how do they look?
Were your TTM containers clear? I find it difficult to observe fish in buckets or other opaque sided containers.
Why were you treating with copper and doing TTM at the same time?

Jay
 
I was doing copper and ttm at the same time (this worked with the other 4 fish that I have). I made one large batch of water with copper and had it heated and took from the single source so it had exactly the same salinity, temperature and copper every time. It was in qt by itself. Only change was that it started hiding.
 
I think I needed more oxygen probably. My air stone broke and I think just the hose wasn't dissolving enough
 
I think I needed more oxygen probably. My air stone broke and I think just the hose wasn't dissolving enough

Could be, but even coarse bubbles from an air line usually adds enough agitation for good gas exchange.

I'm not a fan of TTM, I think the drawbacks outweigh the benefits. Here is a write-up I did on the subject:

“Tank chasing” method (Tank Transfer Method - TTM)

A mostly theoretical method for treating Cryptocaryon infections takes advantage of the life cycle of the organism—moving the infected fish to a new aquarium at the point where the tomonts are produced, potentially breaking the life cycle. In real-world applications, multiple tank moves are required because, as mentioned above, the ich parasites are rarely in perfect synchronicity. This process can be physically damaging to fish, and ammonia levels can build up too high in the containers between transfers. In addition, the method does not control flukes, and may not control Amyloodinium (velvet). “Hybrid TTM”, using the addition of hydrogen peroxide at two points in the process has been touted as a way around this deficiency. The trouble with that is that “dips” in general are rarely 100% effective for parasites, and fluke eggs will not be controlled at all.

There are also diseases that simply do not manifest themselves within the shortened timeline of TTM. You then risk introducing those diseases into your DT (display tank) due to the shortened time for the TTM over that of the more typical 40+ day quarantine methods. Some of those diseases are not treatable, but you definitely don't want them getting into your main aquarium.... Myxosporidians, viruses, etc. Remember, part of the reason to run a full quarantine on new fish is to protect your existing fish from any diseases they may be carrying.

Avoid using opaque buckets or bins for TTM. You need to have clear lateral viewing of new fish to screen them for other issues, like not eating well, fighting, etc. Remember that TTM is rather stressful, moving the fish like that, and with newly acquired fish, stress reduction is vital.

Another drawback to TTM is that it really only works for newly acquired fish. If you have an existing aquarium, and the fish develop ich, you can't remove them and use TTM because at the end of the run, you need a clean tank to house them and your DT will have been recently infected and will still be in its fallow period. Copper and hyposalinity require longer treatment periods, so you can't run them unless you have a stable treatment tank - and therefore, the fish can be housed in that tank until your display has run fallow long enough.

Jay
 

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