Aquarium

Toggle Myth / Reality Fin Rot Is a Common Bacterial Disease Fin rot is considered one of the most common diseases of aquarium fish. Almost every aquarist encounters this problem sooner or later. The disease is usually believed to be easy to recognize even without special equipment. The main symptom is the destruction of the fins. At first the edges of the fins become uneven or frayed, then they gradually shorten. Sometimes the edges appear whitish or cloudy, and in more severe cases redness may appear at the base of the fins. ...

✔️ If fish are dying in the aquarium for unknown reasons: Transfer all fish to another tank. Investigate what is happening. Mass mortalities can vary: ⚠️ Different species are dying simultaneously. Different genera and families have distinct lifestyles, physiology, and immune responses. If multiple species die at once, the cause is more likely water chemistry rather than a pathogen. ⚠️ One species dies quickly and massively. This is also often related to water chemistry — the most sensitive species reacts first. ...