fungal infection

joelleWx

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My loach has now had this for two weeks. All over its body, you can see a woolly, fuzzy growth. It comes down to a fungal infection. He is still eating well, and my other fish are not affected. I have added EasyLife Fungal for five days, but it hasn’t worked. I cannot quarantine him because I can never catch him. He has been swimming here since May, and he has lived for years with the previous owner. What should I do?

WhatsApp Image 2025-11-20 at 18.21.24.jpeg WhatsApp Image 2025-11-20 at 18.21.23.jpeg
 

Jay Hemdal

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My loach has now had this for two weeks. All over its body, you can see a woolly, fuzzy growth. It comes down to a fungal infection. He is still eating well, and my other fish are not affected. I have added EasyLife Fungal for five days, but it hasn’t worked. I cannot quarantine him because I can never catch him. He has been swimming here since May, and he has lived for years with the previous owner. What should I do?

WhatsApp Image 2025-11-20 at 18.21.24.jpeg WhatsApp Image 2025-11-20 at 18.21.23.jpeg

Welcome to Reef2Reef!

That species is prone to skin infections, but they are usually bacterial, not fungal. Do you know the ingredients in the product you are using?

Getting true antibiotics in the EU for fish is almost impossible.
 

vetteguy53081

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My loach has now had this for two weeks. All over its body, you can see a woolly, fuzzy growth. It comes down to a fungal infection. He is still eating well, and my other fish are not affected. I have added EasyLife Fungal for five days, but it hasn’t worked. I cannot quarantine him because I can never catch him. He has been swimming here since May, and he has lived for years with the previous owner. What should I do?

WhatsApp Image 2025-11-20 at 18.21.24.jpeg WhatsApp Image 2025-11-20 at 18.21.23.jpeg
With the presence of salt, fungus as Jay mentioned is rare. For your country, you can use Seachem Kanaplex or TriSulfa which should be available in your region
 

xzt

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I agree with the views of the two individuals above. Fungi are rarely detected in marine teleost fish. The white substance is more likely to be a mucus secretion, possibly caused by skin irritation, which, of course, includes bacterial infections.
 

vetteguy53081

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Thanks everyone for replying. Sadly, the fish died today..
Was hoping to see pics of fish to help determine what it had and sorry to hear. These fish are susceptible to ich\ and, velvet and should for sure be quarantined upon acquisition
 

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