Why do aquarium fish die?

If you like fish for sure you have an aquarium and if so, chances are you have already had a bad time when you see any of your pets die. But do not worry any more, because at YourCatCareguide we will help you understand why aquarium fish die and what they should do to reduce the chances of it happening again.

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A healthy, colorful and full of life aquarium is all you need in your home to relax and feel some peace once in a while, so the best you can do to thank your pets for this benefit is to take care of them as it should. Taking care of your fish involves much more than watching your food, a clean environment, water control, temperature, light inputs and other basic aspects for the correct maintenance of an aquarium.

If you want to know in detail what are the main causes of aquarium fish death and what you should do to improve the quality of life for your favorite swimmers, read on and find out why aquarium fish die fast.

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Stressed and diseased fish

Fish are very sensitive animals and one of the most common causes of death within aquariums is due to diseases, produced among other things, by the stress they suffer.

Sick fish

When shopping for a pet store, you should be aware of the most common symptoms that tell you that a fish is stressed or sick.

The visible disease features you should look for are:

  • White spots on the skin
  • Chopped fins
  • Dirty aquarium
  • Little movement
  • Fish swimming sideways
  • Fish floating on head

If you see any of the fish you want to buy have any of these characteristics, we recommend not to do it. Even if all fish do not exhibit these symptoms, if they share the aquarium with sick fish, they are most likely to get infected.

The clash between fish

Another important aspect that you should take into account so that your fish do not stress and get sick, is when bringing them from the store home. Later on we will talk about the water theme, but as for transportation we recommend going straight home after buying the fish and therefore avoid shaking the bag with the animals inside.

Another reason that causes too much stress in fish is the conglomeration of individuals. When there are many fish that are concentrated in small sizes, it can be the case that they hurt each other, greatly increasing their level of stress.

It may be that your aquarium is large enough, but be aware that you should be careful when cleaning and changing the water, because it is at that moment that the fish usually gather in cubes or the space of your aquarium is reduced by the loss of Water. Do not let this situation go on too long, as these shocks between fish and the stress this entails may favor the onset of other diseases.

Sensitive animals

Pretty but very delicate. Avoid at all costs that your fish suffer from episodes of stress, in this way you will be able to prevent the appearance of other diseases and more important, their premature death.

As we have already mentioned, fish are very sensitive and frightening animals, so hitting the aquarium glass constantly is not good for your health, remember that the more stress you suffer, the more likely you have to develop diseases and die. As for flashes we apply the same rule, avoid frightening your fish. As long as your quality of life is optimal, your hope for survival will increase.

Water: the world of fish

Another cause of death of fish in the aquarium is directly related to their livelihood: water. Incorrect treatment of water, both in temperature, cleaning and adaptation, can be deadly for our pets, so check this point well on what you have to do to keep the water in the aquarium in good condition.

Ammonia and oxygen control

Two factors very present in the life of our fish, oxygen is life, and if ammonia is not death, it is very close to being. Ammonia poisoning and drowning due to lack of oxygen are two of the most common causes of fish death in aquariums.

To keep your fish from drowning, keep in mind that the amount of oxygen that can dissolve in the water of an aquarium is limited. Consult the quantity and size of fish you can have according to the size of your aquarium.

Fish excrement, decomposition of food and even death of living beings inside the aquarium, give off ammonia, so if you do not want your fish to die before normal you should keep the aquarium clean.

To remove excess of this toxic residue it will be sufficient to make partial changes of water on a regular basis and have installed a good filter for your aquarium, which in addition to providing oxygen is responsible for eliminating all stagnant ammonia.

Clean water, but not so much

Keeping water from an aquarium is not something as simple as it sounds. In addition to the help provided by a quality filter, water from an aquarium needs to be renewed with a certain frequency and if we remember that fish are very sensitive animals, this process is usually traumatic for them.

When it comes to renewing the water of an aquarium, in addition to taking into account what we have said about not joining too many fish in confined spaces, you should keep at least 40% of that “old” water and fill it with fresh water. Otherwise, the fish would not adapt to the change and would eventually die. This old water must have been treated to remove as much ammonia as possible so you can mix it with the new one and thus renew the liquid medium of your aquarium.

On the other hand, new water for the aquarium should never be tap water, chlorine and lime concentrated in water, which for humans is harmless, could kill your fish. Always use drinking water and if possible, try not to have any additives.

Another important aspect is to use excessively clean materials. Try the buckets where you put the water and the fish, have some of that old water or at least confirm that there are no soap or cleaning products. In any case, do not forget that you can never use the same products to clean your house to clean the aquarium or the material that is in contact with the fish.

Long fish life

While mastering the fish-care arts, it is possible that someone dies occasionally or falls ill without warning. Do not worry, sometimes fish die for no apparent reason.

The most important thing is to take into account the aspects we are referring to. If you know that fish are sensitive and delicate animals, but treats them abruptly, then you have the answer to the question of why aquarium fish die fast .

Our latest recommendations are:

  • Stir them gently and delicately when changing the aquarium water.
  • If you get new fish, do not place them in the aquarium.
  • If you have visitors or small children at home, avoid hitting the aquarium glass.
  • Do not overdo the amount of food that increases the level of ammonia and the appearance of bacteria in the water.
  • Do not put incompatible fish into the same aquarium.
  • Consult the recommended water, temperature, light and oxygen specifications for the types of fish you have.
  • If you are decorating your aquarium, buy quality objects and make sure they are suitable for aquariums and contain no contaminants.

If you have or want to acquire rainbow fish, learn how to take care of them .

This article is purely informative, in YourCatCareguide.com.br we do not have the capacity to prescribe veterinary treatments nor to make any type of diagnosis. We suggest you bring your pet to the veterinarian in case of any type of condition or malaise.

If you want to read the similar articles in Why aquarium fish die? , we recommend that you enter our section on Other health problems .

Emily Harris

Hi Guys, Girls, and Cats:-p I am Emily Harris, and you can see in above pic. She loves me I swear. I saved her from a dumpster a few weeks back.

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