Guppy
Velvet disease

Velvet, also known as gold dust disease, is a prevalent ailment caused by the dinoflagellate parasites of the genus Oodinium. When these parasites attach to a fish's skin, gills, and eyes, they trigger a range of symptoms. Notable symptoms include a fine gold or rust-colored dust appearing on the fish's body, clamped fins, scratching against objects, rapid gill movement due to irritation, decreased feeding, lethargy, and, in advanced stages, respiratory distress.
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