Why Are My Fish At The Top Of The Tank
Camila Farah
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However if you notice that multiple fish are trying to breathe at the surface of your aquarium or staying at the top of the tank then it s likely that something is wrong with the conditions of your habitat.
This problem is also known as hypoxia. An individual fish might not be getting enough oxygen because of a problem with his gills such as gill flukes parasites or injury. Reasons betta fish may be swimming near the top of the tank betta fish can get oxygen from the air as well as in the water a betta fish has the unique ability to breathe oxygen directly from the air and also take in oxygen from its gills. You do indeed have an ammonia problem and a fish hanging at the top of the tank is a classic symptom.
My tank was new and the nitrogen cycle wasn t strong enough to handle all of the fish and two crayfish who put out lots of waste by pooping and peeing. Why are my fish swimming at the top of the tank. Water ph and water hardness can also affect them if there is a sudden large swing. When the fish owner put them in the fish tank.
So in some ways you are also right about the low oxygen. Ammonia is toxic for fish and it was sitting at the bottom of the fish tank. I had a toxic aquarium. The main cause is adding fish to the aquarium before the nitrogen cycle is established.
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My tank was overloaded with ammonia from way too many fish. If you have an airpump check that it s producing bubbles in the water. The reason why my fish were swimming at the top of the tank. Oxygen is bound with ammonia which lowers oxygen levels in the water and so fish gasp at the surface.What i learned was this. If fish are swimming at the top of the. Fish died in shock because there is a sudden large change in water temperature ph hardness etc. Check that the filter is plugged in and switched on and that the water is being agitated and rippled by the pump.
Since fishes have no body heat they are sensitive to sudden changes in water temperature.
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