My guppy fish has white spots all over its body. What is it, and how do I treat it?

Question

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Dial A Vet · Accepted Answer

White spots on your guppy, often resembling grains of salt, are classic signs of Ich (Ichthyophthirius multifiliis), a common and highly contagious parasitic infection in freshwater fish. If left untreated, Ich can quickly spread and be fatal to all fish in your tank. Isolate affected fish if possible. You'll need to increase the water temperature gradually (if suitable for your fish species) and use an appropriate anti-Ich medication available at pet stores. Follow the product instructions carefully, and ensure good tank hygiene by performing regular water changes. It's crucial to treat the entire tank, not just the affected fish. Speak to Dial A Vet via a video consult should you need further guidance.

My guppy fish has white spots all over its body. What is it, and how do I treat it?

Answer

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