Fish diseasesFish diseases abound. The causes are manifold. Often, pathogens are brought into the pool from the outside. This can happen due to new fish or plants. Also unclean decoration articles can be the cause. Fish diseases are often caused by incorrect husbandry. The immune system of the animals is weakened, diseases can break out. Also wrong feeding can be the cause.
Here we show you the most common causes of diseases in the aquarium
– Bad water values – Newly added fish or plants – Stress due to wrong stocking – Wrong aquarium setup – Wrong fish food or food change – Lack of hygiene in aquarium care and setup
From these causes you can deduce which interventions in the biological system of the aquarium you have to be especially careful about. With the right preparations and the necessary knowledge about aquaristics and about keeping your own fish species equipped, much can be achieved in disease prevention.
How to avoid fish diseases?
1. The most important thing is the right water. The water values. The temperature must be correct. A regular water change is must be carried out. 2. The water values and the temperature must be controlled preferably daily. 3. The light intensity of the aquarium lighting and the change between light and darkening must be suitable. 4. Decorative items must be cleaned before use, z.B. be poured over with boiling water. 5. Toxins must not be allowed into the tank. 6. Feeding must be done regularly 7. Fish food must be appropriate for the species 8. New additions must be observed in a separate isolation tank for some time before use 9. If there is a suspicion of disease, a veterinarian should be consulted as soon as possible. Preventive medication can then be used. 10. Sick fish must be separated. Belong in a quarantine tank. Sick fish must be separated. Belong in a quarantine tank. 11. Washing hands before contact with fish and aquarium water.
Fish diseases symptoms and possible causes
– Protruding or missing scales – Scratches – Eaten fins – Wounds on the head and back area
– Protruding scales – Apathetic behavior – Or overexcited behavior – Gasping for air – Fish die seemingly without reason
– Protruding scales – Inflamed anus, protruding anus, red anus – Vesicles on the lateral line – Extremely swollen abdomen and the scales protrude – Gasping for air – Fish lie on the bottom or are a few centimeters above the bottom along. – The fish rub against the furnish – apathetic behavior
– Swollen anus and abdomen – Brown to black spots on the body of the fish – Bumps that can burst – Goggle eyes – the eyes protrude – Fish no longer eat – Emaciated appearance – Isolated behavior – Strongly curved spine
– Cotton wool-like, white coating of individual threads – eyes, gills and fins with this coating – fins may be torn
– Gill covers protrude – Pink to yellowish discolored skin and gills – Small dots or threads on the gills – Fish swim against the current – Isolated behavior – Fish lie on the bottom or are a few centimeters above the bottom along. – The fish are rubbing against the furnish – gasping for breath – breathing heavily and gasping for air
– Fish no longer eat – Emaciated appearance – Skin is covered with a velvety film – Slimy skin – Mucous membrane can become detached – Fish are lying on the bottom or are a few centimeters above the bottom along. – Fins retracted – Fish rubbing against furnish – Isolated behavior – Apathetic behavior – Fish rubbing against furnish – Darkened back and head
– Crater-like holes on the head – Apathetic behavior – Pimples on the head – White mucus may ooze from the pimples
– Inflamed, red areas on the fins – Fin edges milky white – Frayed fins – Holes in the fins – Apathetic behavior
– Milky white spots – Restless behavior, especially at night – Fish become colorless – Fish isolate themselves
– Many small white spots on the fish, initially on fins and gills – The skin becomes slimy and can become detached – The fish rub against the furnish – Restless behavior – Fish can become aggressive – Fish no longer eat – Emaciated appearance
Disclaimer: This overview does not replace a visit to the vet. Here are only individual possibilities recorded, each symptom can have multiple causes.
When buying new fish, you have to take into account that you might get diseases in your tank. That's why new fish should always be put in a quarantine tank first. Somehow everyone knows that. But do so few.