Turquoise rainbow odd colours

[machotaco]

Has this ever happened to anyone else?? The fish is perfectly fine but over the past two weeks his colours have gone all whack


Before


Now (on the left)


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[libertybelle]

could be an ammonia burn, i've read that fish get dark patches when recovering from ammonia toxicity. If you had an ammonia spike you didn't notice?

 

[machotaco]

If I had a ammonia spike I would be very surprised, but I can't rule it out. It's only on that one fish and also the tank has tons of filtration with about 7X per hour water turnover rate and weekly 50% water changes. I'll look into that some more though.


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[RackinRocky]

Fish TB can also cause this, sadly. Mine all got black patches some time before they got sick and died. This tank was positive for fish TB.

 

[machotaco]

Fish TB can also cause this, sadly. Mine all got black patches some time before they got sick and died. This tank was positive for fish TB.

Definitely my worst fear with rainbowfish. Currently hoping for the best but the moment I see a cyst on that fish it will be removed and humanely euthanized. That is unless anyone knows a way to cure TB?


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[RackinRocky]

Unfortunately, there is no current cure for TB in fish. Best action is to immediately remove and euthanize any fish that shows any signs of it. Some won't get black spots, but will hide, not be overly interested in food, and generally act "different" than they normally do. They will get slower and slower, and then they will eventually die. I tried Kanamycin, Furan II, and both Maracyns before I found out I, myself, had contracted Fish TB, and then I knew why all my expense on meds had not helped my fish. Every one of them that got sick died. My tank that has this hideous disease is still up and running, and I have a few fish that, so far, have managed to not come down with it. But . . . they could at any time. It can take months, or sometimes even a year or so for them to come down with it. It's mysterious, and you never know when it will strike. It's insidious and nasty. I read that loaches are practically immune to it, so when I lose the rest of my fish in that tank, I think it will be an "all loach" tank.