How do I know if my guppy is dying

How to Keep Your Guppies Healthy? Proper Feeding. Feeding your guppies quality and a variety of food will definitely contribute to the life-span for your fish. … Regular Water Changes. … Regular Tank Maintenance. … Prevent or Combat Diseases Fast. (source)
Affected fish are usually (but not always) covered with white spot-like cysts on their flanks and fins, and also exhibit such symptoms as heavy breathing, lethargy and clamped fins. Swellings may develop in the muscles of the fish. (source)
Guppies are very sensitive to ammonia, nitrite, and nitrate level spikes, as these can compromise their immune systems and quickly kill them. Check your water, and you should see that Nitrates are less than 40 ppm, while ammonia and nitrite should both be at 0 ppm. (source)
When a dog dies, their body may still show signs of what can look like life, such as the following: Twitching, as a result of natural nerve spasms after death. The release of air from the mouth when moved. The release of bodily fluids and gas. (source)
It is not normal for guppies to lay on the bottom of the tank. In my experience, there are a number of reasons guppies lay on the bottom of the tank and these include illness, stress, and poor water quality. Pregnant females may also lay on the bottom of the tank prior to giving birth. (source)
CONCLUSION. A significant body of scientific evidence suggests that yes, fish can feel pain. Their complex nervous systems, as well as how they behave when injured, challenge long-held beliefs that fish can be treated without any real regard for their welfare. Dec 15, 2020 (source)
Conclusion. There are many reasons why guppy fish will be staying at the bottom of the aquarium including pregnancy, illness, overstocking issues, water quality problems, stress, etc. Jan 9, 2022 (source)
Isolate sick fish. Add antibiotics to the water and use antibiotic-medicated food. Maintain good water quality. Quarantine any fish with signs of the disease. (source)
For guppies, the best temperature is between 74 degrees and 82 degrees Fahrenheit. In most instances, you’ll need a water heater to keep the water at that temperature. If the water becomes too cold, then they’re unable to move as well or digest their food. This can result in them hanging around at the top of the tank. Mar 22, 2022 (source)
Temperature Shock Even if the drop stays within the temperature range they can normally survive in. A drop of 2-3°F in the temperature in a couple of hours is more than enough to kill a guppy or the whole school. So if you notice that your guppy has died suddenly check the temperature of the tank. (source)
Guppies are ravenous eaters and will eat as much food as you put into their aquarium. This desire to eat constantly can result in guppies becoming bloated through overeating which can lead to them dying. (source)
Eventually oxygen is depleted and fish will die due to asphyxia. So make sure, that you get the proper water temperature for your guppies. Oct 9, 2021 (source)
Most pets’ bodies are placed into cold storage while awaiting collection, as with people. This is usually a freezer facility, to stop any body decomposition. (source)
A similar attitude toward the dead is not as clear in other species. In the early 1970s, anthropologist Ernest Becker wrote in his Pulitzer Prize–winning book Denial of Death that nonhuman animals know nothing about dying: “The knowledge of death is reflective and conceptual, and animals are spared it.” Nov 7, 2012 (source)
Open eyes at death may be interpreted as an indication that the deceased is fearful of the future, presumably because of past behaviors. (source)