Could it be TB?

KohakuRiver

Does this fish look like it could have TB?
There is so much potential background for this that I will try my hardest to simplify.

Parameters:

Ammonia - 0

Nitrite - 0

Nitrate - 5

GH - 7

KH - 3

PH - 7.4

Tank has been running since May 2020. Started with an existing filter from their old tank (I moved and set up a new tank for them). Tank is 20gal Long.

I got 6 sparkling gourami from a mom n pop fish store 2 hrs away in December 2019. I quarantined them for 6 weeks in a 10 gallon tank with lots of Java moss. 2 died during quarantine. One had what looked like pooled blood under the surface of his skin under his eye. The other looked normal. Slowly, they have all died but one. It was all males dying in the beginning, and I realized I had gotten one female out of six. So I attributed the deaths of the males one by one to aggression and stress. The female bred 3 times, and I have her latest round of fry (born Late May 2020) in their own tank. The female finally died at the end of June. She was slightly swollen at the site of her organs only, and I didn’t know if she was gravid again or ill. The last time I saw her she was resting on a rock like the male in question is in two of the photos. I didn’t find her until she was pretty deteriorated because she died within the hardscape. That left this male fish (pictured) alone. I had wondered if he was the aggressor for the other deceased fish, so he stayed by himself until October 10. I ordered more fish from the internet and added 14 fish with him after quarantining. Two died yesterday.

Side note on the last round of fry: they are still incredibly small. I don’t know if this is normal for fish who are ~4 months old or not. Most are not even the size of a grain of rice. I read one place that the fry from fish with TB have stunted growth. The one survivor from their earlier batch of fry (born February 2020) is a full sized fish now. He has no symptoms and is in a community tank. He hasn’t been in with the parent group since April.

The TB Question is in my head for a lot of reasons. I have read Diana Walstad’s article about it several times. I began researching this 2 years ago when I got a very sick betta to try and “save.” I won’t tell that long winded story here. He’s still alive, but never has been healthy no matter what I do.


So I wonder, if one or both of these fish have TB. Regardless of whether the betta gave it to the sparkling or if the sparkling came with it from the get-go: can anyone who has had experience with TB look at the photos of the sparkling and tell me that spine is the type of curve TB produces? Can I collect their poo and do some kind of microscope check (I am a teacher and have access to microscopes)?

The photo that has 2 comparison pics: the first pic is from June 8 and the pic in the bottom half is from Oct. 10.



Thanks!!!!!!!!! <3
 

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Coradee

Welcome to Fishlore, that looks more like a spinal deformity to me probably a birth defect, hang on for more responses
 
Upvote 0

SarahPar

Has the fish always been like that? It could be a deformity, hard to say.
A microscope wouldn't identify what it is unless you do a disection of the fish and stain organ sections with hematoxylin and eosin, and look for granulomas.
 
Upvote 0

KohakuRiver

Has the fish always been like that? It could be a deformity, hard to say.
A microscope wouldn't identify what it is unless you do a disection of the fish and stain organ sections with hematoxylin and eosin, and look for granulomas.
Thank you all for the replies. He has always been like that slightly, but it has gotten more pronounced as time passes.
 
Upvote 0

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