Danio has tb?

Hello!
i started to notice one of my leopard Danios swimming kind of off last week and it wasn’t until yesterday that I noticed that this fish had a curved back. It never used to be like that.
i posted on FB about this and I got TB and neon tetra disease neither of which I am familiar with. Any idea what may be going on with it?

 

rapidly curving like that would lead me to suspect TB yea. its kind of tricky because there are several different species of mycobacterium that might be considered TB and each are slightly different. can you post pics?

AvalancheDave is an expert on medications and such (sorry for pinging you Dave hope you dont mind)

 

rapidly curving like that would lead me to suspect TB yea. its kind of tricky because there are several different species of mycobacterium that might be considered TB and each are slightly different. can you post pics?

AvalancheDave is an expert on medications and such (sorry for pinging you Dave hope you dont mind)

it’s SO hard to get him to sit still. I got some pictures the best I could. I’ll post a video of the swimming behavior. Much easier to see the curving in the video. I’m putting him in QT so it’s hard to get a good pic in the cup

 

I really hate that FL won’t let you just upload videos *sigh*

 

I would call that TB. No way for the average person to know 100%, though. That fish won’t recover from it, but it may live on for quite some time if your water is clean, if you want it to. Personally I would euthanize it to lower the likelihood of contagion. No need to panic. It is not likely to be a problem for your other fish provided they have clean water and decent genes. Just wash your hands after working in the tank. Some species of fish are just very susceptible to this disease.

 

I'm not sure I would call this TB (I will not call it that again, it is called mycobacterium). Having mycobacterium in your fish room is something you need to know about and take very specific measures for, it is always in the water column and will infect everything.

However, that humpback does look allot like NTD (Pleistophora hyphessobryconis-microsporidium). Good news, if it is is that, microsporidium is usually transmitted from dead fish being eaten, or from infected fish dropping eggs that are eaten. If neither of these happen it's a good thing. If after this fish passes no other fish show symptoms for a few months, you are likely good to go, forget about it. Microsporidium is also specific to certain species of fish, and mycobacterium is not. Tetra, danio, rasbora and a few others you can research are susceptible to microsporidium, if the other types of fish don't get sick, it may be an indicator.

If it looks like there is a little "clear" or translucent tissue below the dorsal along the top of the spine, I would lean toward microsporidium. Eventually the fish loses musculoskeletal control. Twirling and other symptoms may appear and the fish dies. If any tissue rips open, or the fish is consumed the spores will spread and infect a new host or any fish that participated. Good news is if that doesn't happen, and you do not have breeding conditions, you likely can cut it off if the fish is not allowed to pass in your display tank.

 

I'm not sure I would call this TB (I will not call it that again, it is called mycobacterium). Having mycobacterium in your fish room is something you need to know about and take very specific measures for, it is always in the water column and will infect everything.

However, that humpback does look allot like NTD (Pleistophora hyphessobryconis-microsporidium). Good news, if it is is that, microsporidium is usually transmitted from dead fish being eaten, or from infected fish dropping eggs that are eaten. If neither of these happen it's a good thing. If after this fish passes no other fish show symptoms for a few months, you are likely good to go, forget about it. Microsporidium is also specific to certain species of fish, and mycobacterium is not. Tetra, danio, rasbora and a few others you can research are susceptible to microsporidium, if the other types of fish don't get sick, it may be an indicator.

If it looks like there is a little "clear" or translucent tissue below the dorsal along the top of the spine, I would lean toward microsporidium. Eventually the fish loses musculoskeletal control. Twirling and other symptoms may appear and the fish dies. If any tissue rips open, or the fish is consumed the spores will spread and infect a new host or any fish that participated. Good news is if that doesn't happen, and you do not have breeding conditions, you likely can cut it off if the fish is not allowed to pass in your display tank.

I haven’t had any fish death in a very long time in this tank so no way this danio could have been contaminated from eating a dead fish. I feed frozen food. So is there any other way that this fish could have gotten NTD?
So think this danio most likely has NTD rather than mycobacterium?
I have it in QT right now. With some paraguard and salt

 

I had a fish a long time ago have tb. I’d dispose of it due to the fact I think it can spread to humans.

 

I'm going to attach the only paper I found on spinal deformities of fish. There are apparently numerous causes but Mycobacteriosis was not mentioned.

A long time ago, I treated my tank with AlgaeFix and had a mass die off. One of the survivors developed a bent spine overnight.

Your fish's gills do look kind of red though.

Mycobacteria live just about everywhere there's water so it's something you can control only by keeping stress and organic waste (its food source) low.

And my usual admonition: if you're using liquid carbon/liquid CO2 containing glutaraldehyde (most, including Excel, do), stop.