Six colorful koi carps swimming close to the water surface in a pond. Photo by novila misastra Unsplash.

Columnaris – bacterial disease in pond fish

It’s common symptoms include damaged fins, ulcers, and gill infections. It can eventually result in the death of the fish. Among the prevalent bacterial diseases affecting fish, Columnaris, also known as myxobacterial infection, stands out. Flavobacterium columnare is a widely spread bacterium, being able to infect many freshwater fish species. This pathogen poses a significant …

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