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How many live fish in the aquarium

maintenance, care, compatibility

How many live fish?

How many live aquarium fish – this question that worries many novice aquarists. In fact, the life of aquarium fish, like any other living creature, depends on the type, habitat comfort and proper care.
In addition, the life expectancy of fish, significantly depends on the population of the aquarium. If you make a “hostel” from the aquarium, then the life expectancy of the aquarium fish will dramatically decrease.

It should be remembered about the compatibility of aquarium fish: the wrong choice of fish – do not live long. It should also be remembered that the fish are cool – their body temperature is equal to the water temperature.

The higher the temperature of the water in the aquarium, the faster the metabolic processes in the body of the fish occur, and their life goes faster.

BELOW LIST OF LIFE DURATION OF SOME AQUARIUM FISHES:

How many live SHARK BALU – 10 years;
How many live APISTOGRAMS – 3-5 years;
How many lives FISH ANGEL PIEMELODUS – 8 years;
How many live ASTRONOTUS – 10-18 years old;
How many live BARBUS – 5-10 years;
How many lives VIENNA ORDINARY – 10 years;
How many live Botsii10-15 years;

Optimum conditions for a decorative goldfish

Of course, there are no strict regulated rules for its content. We can only talk about some recommendations based on the vast centuries-old experience of aquarists of the whole world on the breeding of goldfish in captivity.

They belong to the cold-water, the fish feel great at normal room temperature. Even a slight heating of the aquatic environment is extremely poorly tolerated.

A few words about feeding. Crucians, as you know, are very voracious and almost omnivorous. And since a goldfish is a decorative crucian, it will eat as much as there will be food available.

Feeding is frequent and abundant – a high probability of overeating, which will affect the duration of fish life is extremely negative. In addition, it must be remembered that animals eat well some aquatic vegetation.

Conditions of detention. Goldfish need space, so the aquarium should not be overcrowded.

It should be remembered that it was originally a pond fish, accustomed to frolic in the water column. By the way, and now all individuals sold in pet stores can be divided into 2 large groups: grown in ponds for mass distribution and purely aquarium individuals.

It is unlikely that an ordinary seller in a pet store will tell you exactly where these bright decorative crucians came from – from a pond nursery or a selection aquarium. But just in case, you should count on one fish to account for at least 40-50 liters of water.

So imagine what the size of the aquarium fit.

Water parameters. This animal leaves behind a lot of waste, and the water loves clean and saturated with oxygen.

Therefore, good filtration (especially mechanical) and aeration are extremely important.

General rules. So, summing up some information about the features of the content, we can formulate a few rules, the observance of which will prolong the life of goldfish for a long time:

  1. With a content of 3-4 individuals the required volume of the aquarium is 150-200 liters.
  2. Existence of the powerful external filter and the compressor for aeration of water.
  3. Feeding a variety of foods (vegetable, dry feed, worms) no more than 1-2 times a day. One day a week – unloading.
  4. Mandatory presence in the aquarium aquatic plants.
  5. Weekly water change at least of the total volume.

As a rule, compliance with these recommendations has a beneficial effect on the life of bright golden beauties. Unless, of course, in the aquarium is not brought infection.

It so happened that it was in England that there were goldfish that lived for 30, 40 and even more years! Perhaps, somewhere else there are the same long-lived women, but it was the English women who became famous.

So, in 1999, at the age of 44, she died. fish named Tish (male). Family Hand from the county of North. Yorkshire, where Tish lived for several decades in a small aquarium, was grieved by his death; he was literally a member of the family.

Gordon and Hilda Hand buried him in the shade of the trees in his plot: Tish didn’t like the hot sunshine.

And in the Wright family a pair of goldfish named Splish and Splash lived more than 30 years. At one time, the head of the family, Richard Wright, said that for his pets, which he started when he was young, no special conditions were created: a 40-liter aquarium, room temperature water, no direct sunlight, and feeding once a day with specialized food.

Perhaps such Spartan conditions affected the longevity so enviable for fish?

10 years ago the great interest of the media caused the message of death from old age goldfish named goldie, which was kept at home in Devon Tom and Pauline Evans. Goldie was the 46th year!

The owners sadly buried him in a secluded corner of his garden.

How many live aquarium goldfish? Definitely not tell, 10 or 40 years … Perhaps this is a matter of chance.

We can only hope that the creation of optimal conditions for the golden beauty will increase her chances of a long life!

Many novice aquarists are interested in how much their pets will live. Depending on the type of fish and the conditions of keeping the optimum, these aquarium fish can live up to 8 years.

However, it should be noted that large catfish in the wild often live up to 100 years or more. Aquarium catfish are very diverse.

If you do not take into account the hybrid forms bred by amateurs, then in captivity today there can be about 800 species of these fish.

Kolomuzhny catfish, known under the name loricarium – one of the most unusual representatives of the catfish. Their second name comes from the ancient Roman name for the armor of the legionnaires “Lori”.

The bodies of fish of this family are covered with bony plates, fused together. Their favorite food is algae. Lower mouth, often – sucker.

The most popular aquarium fish loricarium: antsistrusy, ottsinklyusy, loricaria, sturisome. Representatives of this family live long enough.

For example, Antsistrus may well live in suitable conditions for up to 8 years.

Representatives of armor-clad or calligate are very popular with aquarists. Their body is covered with two rows of bone plates. Hence the name, because this “shell” is a good protection against predators.

Catfish of this family are able to breathe atmospheric air. Males are usually slightly smaller than females.

How long can these fish live? For example, corridors that are popular among aquarists live an average of 6-7 years. For aquarium fish it is quite a lot.

Common representatives of the family are dyanema and tarakatum.

Representatives of the armored family are also frequent inhabitants of aquariums. Bone plates cover their body and head, creating the impression of a cut. These fish have three pairs of rather long antennae.

Popular fish: agamixis white-spotted, platydoras striped. A rather large fish Plateidoras, for example, lives in captivity up to 15 years.

In nature, it can live for more than 20 years.


Of great interest to aquarists are representatives of the family of fringed – catfish synodontis. How much can they live in an aquarium? From 5 to 15 years.

According to some data, individuals in nature live more than 23 years.

See how star synodontists play.

Prized for bright color and catfish flathead or pymelody. The appearance of these fish to a certain extent resembles the African killer whales.

These are large enough fish. Often, only young individuals that have not yet reached their full size are contained in aquariums, for example, the weight-bearing sorubium.

The question of how much these fish can live in an aquarium is not easy to answer. From 5 years and more.

In nature, their life expectancy is quite high.

These are representatives of not all families of catfish that can be contained in an aquarium. To determine how long a fish will live, it is important to know the length of life in the wild and what conditions it prefers.

By creating them you can be sure that the pet will be as comfortable as possible, and his life will be healthy and long.

Naturally, at home, gourami live longer than in nature – the situation has. Life expectancy of gourami is 5-7 years, with very good care and favorable conditions of their maintenance can live up to 10 years. The life span of marble gourami, which is more capricious in breeding, can reach 8 years – this is a strong fish, rarely gets sick and can withstand a drop in temperature, unlike its fellows.

The behavior of gourami during illness or before death is expressed in the fact that the fish folds their fins and floats sluggishly along the bottom of the aquarium.

To live your fish for a long time, you need to follow a few rules:

  • the presence of a small aquarium with a water level of not more than 35 cm;
  • clean water, which must be often and gradually changed;
  • compliance with the temperature regime – not all species can withstand temperature fluctuations;
  • bright but not hot lighting;
  • feeding regime – you can not overfeed fish, you need to feed them in a variety of ways, but gradually, 2-3 times a day;
  • dark soil, snags, the presence of plants in the aquarium;
  • Neighbors with a similar character and similar in size.

Reproduction and nutrition gourami

For reproduction in gourami male is responsible. He builds a nest of foam and plants, cares for the female and squeezes the eggs from her, fertilizes her, makes sure that the eggs fall into the nest and stay in it until the fry leave. The female is capable of sweeping several thousand eggs.

Caviar gourami looks the same as in other aquarium fish – the fry look like a thread with eyes and a tail.

Gourami and others

Gourami are animal-eating fish, that is, they can be called predators. In nature, they feed on invertebrates and mosquito larvae.

At home, they adapted more to veggie food, but with pleasure they eat daphnia, bloodworms, and pipe-makers. Gourami can eat a neighbor who wants to seize their territory or, if they are angry, they can destroy their fry, but this is typical of many fish.

Gourami are calm fish, only males can be pugnacious.

Predators with a big stretch, gourami get along well with other fish, including those who can quietly get along with sklyariy and barbs. Do not make friends with gourami with goldfish and viviparous fish, but not because of their nature, but because of the difference in the desired water temperature.

Aquarium fish catfish Ancistrus – care and maintenance

The aquarium in the house gives joy and pleasure. Many people like to watch the variegated flocks of fish in the aquarium.

There are different types of fish that can live at home. One of the most common species is Aciacrustes.

Fish that can survive without oxygen in the aquarium

It’s no secret that oxygen is present in the aquarium in a dissolved form. Fish constantly consume O2 and emit carbon dioxide. When an aquarium is artificially highlighted, the fauna highlights it during photosynthesis.

To ensure a comfortable life for the fish without additional aeration, it is necessary to choose the right plants and settle the optimal number of inhabitants.

The most common problem is considered an imbalance in the number of green spaces and fauna. In the event that plants are not able to cope with providing all residents with oxygen, aquarists are forced to resort to using special devices for aeration.

The presence of oxygen in water is the main criterion for the life of almost all aquatic organisms. Aquarium fish are demanding on the saturation of water O2.

This indicator can be called one of the main in determining the chemical composition. Oxygen is essential for both fish and other creatures and plants.

Each type of underwater inhabitants has its own requirements for aqua saturation. Some of them easily carry oxygen-poor water, others are sensitive to minor fluctuations. Few people know that an excess of oxygen can also have a detrimental effect on fish.

How to determine the optimal indicator? If there is not enough oxygen, the growth of the fish slows down.

This is primarily due to the wrong process of assimilation of food. Creating an ideal ecosystem, consider that in addition to fish, oxygen is consumed by other organisms from the aquarium: ciliates, intestinal cavities, mollusks, crustaceans, and even plants in the dark period.

It is not difficult to guess that the more inhabitants, the more oxygen they consume.

It happens that the wrong organization leads to the death of the fish. In the process of oxygen deficiency, fish begin to choke due to accumulated carbon dioxide.

Causes of oxygen deficiency:

  • High density of inhabitants;
  • High salinity and temperature of aqua;
  • The consequences of improper treatment;
  • Alkalinity jump.

As a result of the increase in the thermometer, the processes occurring in the body of the fish are intensified. This leads to an increase in oxygen consumption.

If the figures have crossed the mark of 28 degrees, then the fish begin to consume more O2 and emit a large amount of carbon dioxide, which leads to starvation and, if it is not urgent to react, then to the death of pets.

Lack of oxygen in a polluted aquarium is also dangerous. Various oxidation processes will occur in it, which will have a negative effect.

It is very important to monitor compliance with the number of tailings and water quality. Try to provide pets with high-quality filtration.

It is worth saying about bacteria, which are an integral part of the underwater world. The increase in the number of inhabitants leads to a large amount of excrement, which leads to an increase in the ammonia content of the water. All wastes that are subject to mineralization are carefully treated with bacteria.

Thus, the more organic elements, the more bacteria that also need oxygen. As a result, the circle closes.

If bacteria and fungi are O2 deficient, then they begin to more slowly cope with the goal. Return balance in the ecosystem, you can only increase the supply of oxygen.

But there is another side to the coin. Thus, high oxygen saturation leads to an increase in pH.

This situation is not welcome in the aquarium, because the difference in the water being replaced will be too global.

Pay special attention to the flora of your aquarium. Because plants are an amazing and very important part of creating the right microsphere.

All plants produce oxygen during the day, but consume it at night! It is necessary to take into account and do not turn off the aerator at night.

On the Internet, more and more people are trying to find the answer to the question, what fish can live without air? However, the answer does not quite suit them.

Find at least one living creature that does without oxygen is impossible. But there are some aquatic inhabitants who can survive without a system of aeration of water.

The difference between fish is that some of them calmly carry scant water and can breathe atmospheric gas. Due to their ability, they are considered the most enduring and unpretentious in the care. There are several types of such inhabitants, but, unfortunately, not all managed to adapt to aquarium life:

  • Aquarium catfish or loaches. These fish use intestinal respiration with atmospheric air. It happens quite simply. Catfish rises to the surface, swallows air and sinks to the bottom.
  • Labyrinth. They received their name because of the unique breathing apparatus, which is also called the gill labyrinth. The process of air absorption is similar to the previous option. The most popular aquarium representatives are: cockerels, gourami, lyaliumy, macropods.

However, one should not expect that these animals can live completely without air. They need it, therefore, in no case should one block access to the air from above.

Signs of lack of oxygen:

  • Fish rise to the upper layers;
  • After a couple of hours, the fish bulge the gills;
  • Decreased appetite;
  • The immune system suffers;
  • Growth slows down or death occurs in 2-4 days.

Death may not occur, but the fish experience constant discomfort and all life processes are slower, which affects the growth, color and behavior of the animal.

Thus, the fish can not live completely without oxygen, however, you can make your life easier by buying inhabitants who can breathe atmospheric air. But even with a small selection, you can gather the best representatives and create a unique reservoir where you can live, and at the same time not experience discomfort, fish and catfish.

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