Betta fish/fighting fish dead, filter + heater off?

Hello everyone ,

At the beginning of the year I got a Betta Halfmoon and put him in my 20L aquarium. He was doing very well for a long time. He had an illness once where he got white spots and his fins looked worn out (I don't know the name of the illness). I got some medication from a specialist and after applying it he was doing very well again and his fins grew back magnificently. He was given a varied diet, dry and frozen food (every 2-3 days). So overall he was doing very well. Now I was away for a day and gave the task to a friend who accidentally turned off all the electricity overnight instead of just turning off the lights. So Kafi didn't have a filter or heater running for one night 😭! I know it's terrible, the next day he turned everything back on and when I got home I noticed that my Kafi was breathing heavily and was just lying on the floor. I did an 80% water change because I thought it might be because of bacteria and the medication I was using to prevent it.

But the next day he was dead…

My question now is, was it due to the power outage?

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dsupper
3 years ago

I think that the “power loss” is quite sure about the death of the fish.

The non-existent light does not disturb the fish – but if the filter has not run for a longer time, then it rises in such a tiny small (too small!) AQ the concentration of highly toxic substances (ammoniac and nitrite) quickly high. These substances kill fish quickly.

If the current is out and the filter does not run, the important bacteria also die in the filter. If the filter is then switched on again, a large amount of dead microorganisms is rinsed into the basin – and the problem of highly toxic substances is further enhanced.

In the case of a larger quantity of water, it would have taken much longer until the concentration of ammonia and nitrite increases at a dangerous level. But with such a tiny “aquarium”, the smallest mistake usually leads directly into the catastrophe.

Nils7364
3 years ago
Reply to  gamzesivar

Why don’t you have a timer?

MuellerMona
3 years ago

If the fighting fish was as good as you describe and the pelvic was so well balanced, one night without filter and heating cannot be the cause of the rapid dead of the fish.

As is known, martial fish are labyrinth fish which have to pick up Sauerstroff from the water surface. So these animals cannot die of oxygen deficiency, blossoms because a filter is no longer running for a few hours. Also, a possible temperature fluctuation due to a transversal elimination of the heating does not lead to death, since the basin is definitely in a warm room and cannot become so cold at all.

I’m afraid there were many other causes that led to death… it is a mini-basket, which is really very difficult to keep in balance and, in my opinion, is at most suitable for the care of dwarf cigarettes. And even the fact that your fish has suffered under white spots and melting fins during this short period of time is that the conditions were not so perfect and optimal.

It was probably more “lucky” that your fighting fish had to bless the timely, after all, a mate had to watch the fish for a single day.

Under ideal conditions, such a fish can also be left unattended for 2 – 3 days without getting sick or even dying. Even if a storm failure would take place in this time, you don’t need to worry about anything… as long as the pool is well moved in and everything is running so “perfect”.

MuellerMona
3 years ago
Reply to  gamzesivar

Yes, that’s really bad when a fighting fish doesn’t like to swim to the water surface to get air. I’m sorry you lost your Betta. But such small aquariums are really very, very delicate. It is difficult to keep the water values stable in such small basins and infections due to germ loads can also arise more easily. The fish can get sick without the fact that it’s externally noticeable… in addition, martial fish are rather cozy fish, in which inactivity does not seem so negative.

I would recommend you a 50 – 60 liter aquarium for fighting fish holding. In combination with many fast growing plants and a weekly change of water, almost nothing can go wrong. Whether the heating or the filter should get out, there’s a power failure or you’re not there for a day and can’t feed – Old Kamffische will always get more inactive, rest on plants or rest more on the ground… but they usually don’t die so fast.

I think you really had bad luck because it’s just very complicated to entertain such a small aquarium. This can probably even happen to a long-term Aquarian.

MuellerMona
3 years ago

yes, just don’t overthrow =) – And you can keep your little pelvis running without any problems… and if you should choose a slightly larger pelvis, you can simply take over the facility and planting. – I’ve already done that in which I just packed the contents of a small basin into a bigger one.

Personally I found these Eheim starter sets always top, as the Eheim filters are often indestructible and if necessary you get spare parts almost in every zoo store =)

PurplePlayer
3 years ago

Of course. Without oxygen, a fish does not survive.

MuellerMona
3 years ago
Reply to  PurplePlayer

The filter is not primarily responsible for oxygen… and combat fish cannot suffocate in low-oxygen water as they breathe air from the water surface. – Therefore, in this case, this cannot have been the cause of death.