Fische sterben, Garnelen geht es prima?
Hallo,
bei uns im Aquarium sterben nach und nach die Fische. Wir hatten als Besatz eine Gruppe Neons und ein paar kleine Welse in einem 120 l Becken. Vor circa drei Wochen hatten wir vom Globus ein paar kleine Neons dazu geholt, weil die bestehende Gruppe recht klein war.
Vor circa einer Woche sind sechs Neons gestorben. Die anderen sahen nicht mehr gut aus, die Flossen sahen recht mitgenommen aus. Wir haben dann ein Medikament gegen Flossenfäule verabreicht. Hat nix geholfen, die restlichen drei sind auch noch gestorben. Den Welsen ging es eigentlich gut, doch heute sind zwei verendet. Die anderen sind optisch und vom Benehmen wie immer.
Alle Wassertests auf Chlor, Nitrit und Nitrat usw. waren unauffällig. Der PH Wert ist konstant bei 7. Kupfer usw. kann es nicht sein, sonst würde es den Garnelen nicht so gut gehen.
Natürlich wechseln wir regelmäßig das Wasser und halten das Aquarium gepflegt.
Hat jemand eine Idee, was das sein könnte?
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With new fish, especially fish of the same type, IMMER is carrying completely new bacterial strains into an AQ.
And before the old fish get immune, they are often dead. Depending on the aggressiveness of the bacteria, other fish also suffer and die.
By the way, neons are very sensitive.
And if fish die and decompose (e.g. overnight), then suddenly the ammonia and nitrite value rises – this is highly toxic and life-threatening for the other fish.
DESHALB is always so important to keep new fish in a separate basin for a period of at least 14 days – with water from the existing basin.
Otherwise, it would be advisable to buy some sensible droplet test – then you have at least results to rely on.
A constant PH value of 7 is not possible at all without complex water paving with Co2 and demineralized water. And so exactly will probably also be the other values.
You’re right, mostly this is underestimated and then pushed on sick fish from the store!
Do you always have to be as stubborn?
First of all, we have bought high-quality droplet tests and secondly it is very possible to have a ph value of more or less constant 7 even without pantry.
The only good tip is that I give new fish the next time in another basin before I implement them.
However, you can answer questions without complaining subtone, but this is typical here with a good question
I don’t know why you wrote this insulting comment, but if you read the questions that stand here, it’s usually the tenor that supposedly ill fish were sold! In fact, however, it is 99% of dragged bacterial strains, as @dsupper writes quite correctly, or other care errors, such as stress, false accusation, lack of water hygiene, etc.!
maybe a CO2 poison or an oxygen deficiency. Under certain circumstances, however, it could also be a disease that was introduced by the newly used animals. The possibilities are very diverse.
Have you discovered other symptoms apart from the fins? Maybe some kind of hole formation on the heads of the fish, white dots or snap breathing on the surface?
You obviously dragged in with the neons from the globe.
That was also my thought. But if the neon disease were, I don’t understand why the cats die.
It is obviously a very aggressive pathogen that affects various types.