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Goldfish how to contain

maintenance, care, compatibility

How demanding are goldfish to conditions?

Opinions on this score are opposite. Some believe that this is a patient, practically unkillable, fish that survives in any conditions, suitable for beginners and people who do not want to invest in the aquarium a lot of effort and money.

Others, on the contrary, argue that the content of gold must comply with a number of fairly tough conditions, and they are no doubt right. A goldfish should not be started by someone who is not ready to make efforts for its comfortable existence.

And the most important condition for the maintenance of these fish is an aquarium of a sufficiently large volume.

In Soviet literature of the last century in aquariums it is indicated that one goldfish should have 1.5-2 dm3 of water surface, or 7-15 liters of aquarium volume (15 liters per fish is considered to be a small landing density). This data migrated and in some modern tutorials.

However, it should be noted that Soviet books were written about goldfish of domestic breeding, which for many generations lived in aquariums, and as a result of breeding were adapted to such conditions. At the present time, the vast majority of goldfish comes to us from China, Malaysia and Singapore, where they are massively bred in ponds.

Accordingly, they are not adapted to life in small volumes of water, and even to a sufficiently spacious aquarium they need to be adapted, and a volume of 15-20 liters means death for them within a few days.

Experts who today work with goldfish brought from Asia have empirically established:

The minimum volume of an aquarium for one individual should be about 80 liters; in a smaller volume, an adult fish will simply have nowhere to move. For a couple – 100 l.

In large aquariums (200-250 l), with good filtration and aeration, the density of planting can be slightly increased, so that the volume of water is 35-40 liters per individual. And this is the limit!

Here, opponents of half-empty aquariums usually object that in zoos, for example, goldfish are very densely packed in aquariums and at the same time they feel great. Yes, indeed, this is the specificity of the exhibition aquariums.

However, one should keep in mind that behind the frame there are several powerful filters with which this monster is equipped, the most severe schedule of water changes (up to half the volume daily or twice a day), as well as a regular ichthyopathologist, for whom there is always work.

Regarding the shape of the aquarium, the classical rectangular or with a slight curvature of the front glass is preferred, the length should be approximately twice the height. In the old Soviet literature it was stated that water should not be poured above the level of 30-35 cm, but as practice shows, this is not critical.

Goldfish live well in higher aquariums, if they have the appropriate width and length (tall and narrow aquariums – screens and cylinders – are not suitable for keeping gold).

The answer to this question is unequivocal – the best option would be a specific aquarium where only goldfish live. Moreover, even short-bodied and long-bodied gold lodging is often not recommended together, but representatives of other species of fish are out of the question.

Either the neighbors will harass the scones, damaging their eyes and fins, or the neighbors themselves will be uncomfortable, as the aquarium with goldfish is a very peculiar habitat. In addition, small goldfish can simply swallow.

Water parameters, design and equipment of the aquarium

Goldfish love space. If we say that a goldfish lives in a small aquarium, it means that the volume of an aquarium for goldfish per one cute creature is at least 50 l.

For trouble-free maintenance of the fish, it is necessary to purchase filters (external and internal) and a siphon, since those who like to crawl in the soil with their occupation pollute the water heavily. If you add the excrement of the fish themselves, you can imagine what the water will be without filtration.

We all know that the optimum fraction of the soil is 3-5 mm. For goldfish, it is recommended to reduce or increase it, avoiding the acquisition of a pebble with sharp edges.

This must be done in order to avoid unpleasant moments such as a fish has hurt, or a pebble stuck in her mouth.

The optimum temperature of the goldfish, like most other 22 – 25 ° C. Too warm water in the aquarium contributes to their rapid aging.

And, of course, do not forget about enough oxygen, the lack of which is so sensitive fish. Goldfish will be delighted with the planted plants, as they not only decorate the aquarium, but also improve the conditions of its maintenance.

The only requirement for them is hard leaves, otherwise the design of the reservoir will be hopelessly damaged.

Unfortunately, our pets sometimes get sick. The most common diseases in an aquarium that a goldfish can get: scabies, ringworms, fish pox, dropsy and when overfeeding, problems with the gastrointestinal tract.

If you do not overfeed, overpopulate and maintain cleanliness in the aquarium, the content of the pet, which is a goldfish, will only be a joy.

Goldfish are excellent pets for beginning aquarists, whose care is simple and interesting. The maintenance of this type of fish in the home has become available hundreds of years ago, this is one of the first ornamental fish that was settled in a glass tank.

In China, they were kept in porcelain bowls, today unique aquascapes are created with the similarity of a natural biotope so that pets can live comfortably. How to properly care for them in the aquarium to extend their joy of life?

  1. Buy a wide aquarium. Make sure that there is enough space for the pet in the tank. For a voile-tailed goldfish, approximately 45-90 liter aquarium is needed. The goldfish grows fairly quickly, and if you plan to provide it with proper care, buy a tank in which already mature individuals will fit, which will save you later from replacing the reservoir with a more spacious one.

Look at the well-designed goldfish aquarium.

  • Place a quality filter in the tank. The goldfish is known as an avid “muddy” that leaves behind a lot of garbage. Your filter is obliged to comprehensively clean the water, preferably 10 times in 60 minutes. If you have a 20-liter aquarium, you will need a filter that has the ability to pump at least 200 liters. at one o’clock. Another suitable filter that pumps more than ten times the volume of water in the tank.
  • A nitrogen cycle should be established in the aquarium. You need to buy a water device with an indicator that clarifies the saturation of water on nitrites, nitrates and ammonia. Do not buy test strips, they will not provide an accurate result. Use a special liquid to eliminate chlorine in order to release toxic chlorine from the water. Line out the bottom of the aquarium with a pea-sized gravel (small volume so that the pets cannot choke). Make sure that the pebbles or gravel do not contain metal fragments, since pebbles with metal have every chance to harm creatures if the dissolution of toxic elements in water happens.
  • Get a small amount of decorations and decorations. Animals would love it, and diversify their small house. Do not purchase decorations with small holes, so that the goldfish could not sit there. Take into account the size of a mature individual (sometimes they grow to the thickness of a grapefruit!), And even then set the scenery. You can add algae; goldfish like to nibble on living plants, as a rule, they are: anubias, waltz, cryptocoryne, and others.


  • Buy goldfish that have a healthy appearance. Be careful with the aquarium, where there is an inanimate fish, this may indicate the symptoms of the disease or the wrong care.
  • Do not launch the purchased fish immediately into the general aquarium. Leave it for a 2-week quarantine in a separately prepared container with infused water. Such a procedure will prevent fright and diseases that a fish could bring from a previous aquarium.
  • Contrary to the arguments, it is not recommended to place the voile tail fish in a round tank or a nano-aquarium. There she will be uncomfortable, her vision may deteriorate. Do not settle the fish in a tropical aquarium with heat-loving fish. Goldfish is a cold-blooded animal that hails from temperate latitudes.
  • After quarantine, a goldfish can be launched into an aquarium. Do not rush to run the fish in an unfamiliar aquatic environment. Upon returning home with a new resident, lower the closed polyethylene roll with the goldfish into your tank for approximately 10 minutes. This will help the fish adapt to the temperature in the tank. Following this, add a few drops of water from your aquarium to the package with the fish, and wait another ten minutes. Then with a net, transfer the fish leisurely to the aquarium. Pour the packaged water into the sink or gutter. This process not only limits the stress to the animal, but also prevents water pollution in the reservoir tank. Then schedule how to care for your pet every day.
  • Watch a video about goldfish content.

    1. Feeding the fish should be carried out twice a day, flaky or granulated feed. Goldfish can still eat frozen, live, vegetable, artificial foods. Very much like peeled peas, which is useful for digestion. Vegetable food (cucumbers, zucchini, salads) finely chop to make it easy to swallow. Overfeeding pets should not be – it is dangerous to health.


  • Quality maintenance and care must take into account the parameters of the aquatic environment. Test water for nitrites, ammonia and ionic hydrogen (hydrogen) pH. Ammonia should be 0, the pH should be 6.5-8.0, and the degree of nitrate is allowed below 20. If this degree is above 40, then you have a very fish-filled aquarium, or you do not replace the water at the right time! If ammonia and nitrites were detected in the water, therefore, bio-filtration in your tank has not yet been established. Permissible water temperature is 15-20 ° C.
  • Caring for the tank should be conducting a weekly replacement of water. Once a week, change 30-50% of the water in the aquarium. Updating all aquarium water is dangerous for wholesome unicellular organisms that cleave fish waste. It is mandatory to do the process of dechlorination before making fresh water in the aquarium.
  • Clean the gravel one in 2 weeks. Do the procedure using a vacuum gravel filter device that cleans the litter while draining the water. For tropical aquariums, it is recommended to perform this function once every 30 days, but for goldfish (there is more than enough waste from them), always provide a clean environment.
  • Spend time with goldfish as often as possible. Caring for her involves constant communication and eye contact. When she gets used to you, the content of the pet will be even more beautiful. Veiltails will begin to recognize you, and when you take care of them, they will begin to recognize your hand while nursing, and not be afraid of it.

  • If your goldfish happened to be on the floor, or a cat got out of the aquarium (this happens often), quickly wet your hands, and with wet hands, run the fish back into the pond. So she will not be under great stress. Be sure to cover the tank lid so that such cases do not recur.
  • Keep track of the scenery in the tank. If you notice sharp corners, rotted trees, broken glass or ceramics, immediately remove them from the tank. All decorations before placing in the aquarium should be processed in boiling water.
  • Goldfish is a subspecies of goldfish. It got its name because of the color. The main body of the fish and fins have a golden red color.

    In the world there are a large number of varieties of goldfish, they are the favorites of aquarists.

    The question “opened a pet store. Business is not going. What to do? “- 2 answers

    In order to start a goldfish, you need to decide on the choice of a spacious aquarium. Each goldfish should have no less than 10 liters of water, and ideally 50 liters. Aquarium should be washed well and regularly change the water.

    Water should be at room temperature.

    The soil is suitable coarse – pebbles or gravel. Plants for the aquarium should be chosen with a strong root system so that the fish do not dig them out. Goldfish love to dig the soil and plants, thereby lifting the dirt from the bottom.

    Therefore, for their proper maintenance, internal and external filters are required for water purification. It is good to place in the aquarium also a compressor and a siphon.

    In order for the goldfish to stay healthy, it is important to monitor their nutrition. Feed them twice a day, in small portions.

    It is better to feed less fish than to overfeed. For this you can use several types of feed for goldfish. In particular, live (bloodworm, daphnia, earthworms), vegetable (soft leaves of the plant – duckweed, riccia, parsley, dill).

    Goldfish can even be fed bread. Also used conventional fish food sold in stores.

    In the aquarium to scrofula you can put small catfish. They will get along well and will play the role of an aquarium glass cleaner, plants, or artificial decorations that are inside the water tank.

    How to keep a goldfish in a round aquarium :: how to care for a round aquarium :: Aquarium fish

    The popularity of round aquariums and goldfish is due to two main factors – goldfish are among the most hardy and unpretentious aquatic inhabitants, and round aquariums are in harmony with any interior and are easy to clean. However, despite such advantages, there are several important rules that concern the content of fish in such tanks.

    The question “opened a pet store. Business is not going. What to do? “- 2 answers


    Goldfish are considered one of the hardiest inhabitants of aquariums. They are able to withstand fairly significant cooling of water or its heating. It is recommended to equip aquariums with special devices for temperature control, but goldfish can simply change the water more often and provide the necessary care.

    In their natural environment, goldfish can survive even in icy water. They are among the most enduring aquatic creatures.
    In an aquarium with a goldfish any aquatic plants must be present. Just a few twigs are enough.

    At the bottom of the vessel, you can pour gravel or place decorative balls that will turn a round aquarium into a kind of designer decoration of an apartment or office. Sand in this case is not recommended.

    In a round aquarium, a small area, and dust can instantly pollute the water and make it detrimental to a goldfish.
    It is very important to provide the aquatics with sufficient light. It is better to put aquariums in well-lit places or use additional devices.

    Due to lack of sunlight, the goldfish may die.
    Keep in a round aquarium a few goldfish is not worth it. The calculation of the required area should be made in accordance with the proportion – 1 cm of the body length of the fish per 3 liters of water.

    Otherwise, the inhabitants of the vessel simply do not have enough oxygen for normal life.


    Keeping a goldfish in an almost empty aquarium is not recommended. The fact is that with a minimum amount of vegetation, the walls of such a vessel create the effect of a lens.

    A fish in such an atmosphere will be in constant fear, which will lead to serious consequences from stress. Quite often you can see completely empty aquariums with goldfish. However, it is better not to create such conditions for a pet.

    Fish vegetation is a supplement to the main food and source of vitamins.
    In a round aquarium, you must create the most comfortable conditions for its inhabitants. To do this, you will need a small lighting system, a compressor for water treatment and a special heater. For round aquariums, special compact equipment is produced, which does not take up much space and does not spoil the appearance of the original vessel.

    Quite often, for example, you can find round aquariums with special lids in which all the necessary systems are mounted.

    No matter how much you want to decorate your house with a flask with a golden beauty inside, it is better to refuse the idea.

    First, goldfish are classified as large species. The ball aquarium has a small volume: one fish requires at least 20-30 liters, but not 10.

    If you buy an aquarium in 20 or 30 liters, the goldfish will be uncomfortable, even if you supply the filter to the aquarium. You can stop the choice on the varieties of goldfish smaller, such as telescopes.

    Having decided to start a goldfish, you will have to really often clean the aquarium, carefully control the amount of food, replace the water. Are these efforts worth keeping one goldfish (which in any case will feel discomfort)?

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