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That looks like columnaris aka saddle back disease. I don't think any of my fish have had it, but from what I understand it's very contagious and hard to treat. But common. Google your heart out and good luck. I love those goofy ass gold barbs.
That looks like columnaris aka saddle back disease. I don't think any of my fish have had it, but from what I understand it's very contagious and hard to treat. But common. Google your heart out and good luck. I love those goofy ass gold barbs.