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How many fish live in the aquarium

maintenance, care, compatibility

Each aquarist wonders how many aquarium fish live. Everyone needs to know this.

If you are not sure that you want to keep the aquarium for a long time, get fish with a short lifespan. For experienced breeders, the number of years is important to count the spawning that the fish will have time to implement.

Several things can affect the lifespan of aquarium dwellers:

  • The size;
  • Water temperature;
  • Overfeeding;
  • Undernourishment;
  • Conditions of detention;
  • Neighborhood.

The main criterion is the size of the fish. By this indicator, you can judge how long you can admire your pet in the aquarium. The smallest inhabitants have the lowest border, whose dimensions do not exceed 5 centimeters.

For example, neon, guppy, swordman. They live from one to five years.

Record small sizes were found in South American small fish – zinolebias. The length of her life depended on the rainy season, as soon as a drought occurred – zinolebias was dying. The only thing that saved the fish from extinction – the timely throwing of caviar.

During the period of high water, she managed to appear, grow, spawn, and die.

Fish, whose dimensions are defined as medium, can live up to 15 years, and some representatives over 25, for example, piranhas. Therefore, starting such pets, be prepared for a long neighborhood.

Interesting fact, males live significantly longer than females. Sometimes, the difference reaches almost two years.

Breeds are known where the female dies after the birth of fry. Of course, no one is immune from the unsuccessful throwing of caviar or a number of diseases, but most often this is observed in sword bearers and gupeshek.

The temperature of the water in the aquarium affects the lifetime. Cold-blooded animals can not control the temperature of their body on their own, so water sets the rhythm for most processes in the body. The body temperature of the fish is equal to degrees of water.

Thus, the higher the score, the more intense the metabolic processes in the fish’s body, and, therefore, life expectancy is reduced. Sometimes this figure reaches several years.

It is proved that if you rarely change the aquarium water, the concentration of harmful substances in the water will be above the norm, which would entail a reduction in the life of the inhabitants. Use distilled water whose chlorine content is close to the permissible value.

Bad water can lead to dysfunction of the respiratory organs and diseases of the digestive organs.

On how much live aquarium fish, affects feed. It’s about overfeeding and underfeeding.

Fish obesity is a fairly common problem. Most often this happens in a family with young children who are interested to look at the inhabitants of the aquarium who eat the food. Don’t underestimate underfeeding.

Due to the lack of nutrient and vitamin elements, they do not have enough energy for a normal existence. If in doubt about the right amount of feed, smell the water. If you are overfeeding fish, the water will have a specific smell.

Ideally, it should not emanate any flavor.

Overfeeding occurs if:

  • Water has a rotten smell;
  • Rapidly cloudy;
  • The film is formed;
  • Algae have a slippery coating.

In order to avoid the death of your favorite fish and increase the number of years of cohabitation, it is necessary to observe the measure in feeding, then the life expectancy will correspond to the figure indicated in reliable sources. The feed should be enough for the fish to eat it within a few minutes after serving the food.

The number of years lived can vary according to the nature and type of neighbors. When you create a dream aquarium, it is not enough to know the aesthetic criteria and dimensions, it is necessary to evaluate your preferred habitat zone and character.

If fish can get used to the hardness of water, then it is unlikely to endure the unacceptable habits of the neighbors.

The combination of fish size is one of the fundamental rules of an aquarist. Big fish are able to eat small fish or fry, regardless of taste preferences.

Before you start the new inhabitants – carefully examine the compatibility.

Overpopulation adversely affects the life expectancy of aquarium fish. The negative effects of overpopulation:

  • Lack of feed;
  • High competition;
  • Lack of oxygen;
  • Frequent illness;
  • Aggressive behavior;
  • Fight for leadership.

All this can lead to the death of fish. It is important to observe the number of liters for each individual. Otherwise, the life of the fish can be reduced.

Be wary of cocky breeds, they are capable of killing an opponent in the fight for leadership.

The lifespan of a fish depends on many factors. There is a certain pattern: small inhabitants of aquariums live 1-5 years, medium (5-10 cm) – 10-12 years, large-sized – 15 – 35 years.

Catfish, carp, sturgeon and can outlast a person at all. Breeding karrezubye representatives, for example, Notobranchus, live in puddles, die immediately after the pond dries out, the eggs survive.

Even if you breed them at home, they will live only a few months.

Most experts are inclined to believe that the average age of a goldfish is 4-5 years, in good conditions and professional care a pet can live 10-15 years. There is information that in one of Moscow zoos the fish has lived for 34 years, in the UK – 43 years.

Factors that affect the life of the “golden” inhabitants of the aquarium

How much live aquarium goldfish, directly affected by water temperature. Fish are cold-blooded animals, that is, their body temperature is almost equal to the temperature of the water in which they are located. Warm water accelerates metabolic processes, the body will wear out faster.

The color of older individuals is more colorful compared to the young.

Can kill your pet and improper feeding faster. Remember that food should not be only dry. Overfeeding is more harmful than underfeeding.

Periodically it is necessary to do fasting days for the “golden” beauties.

The population of the aquarium and its size is important for the normal existence of fish. Before buying individuals, make sure that they are compatible and will not survive each other.

Do not forget to change the water. Professional aquarists say that a tank of 150-200 liters is ideal for fish.

Following these rules will significantly increase the chances of your pets becoming long-lived.

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.

Your cockerel will live longer if initially purchased from a good seller. When you notice that the fish lives in quality conditions, moves well, eats, it has a beautiful appearance – it means that you can settle at home.

First of all, pay attention to the activity of the fish in the aquarium, the state of the scales and fins, its general physical condition.

Buy a young fish. The sooner she gets used to your tank, the more comfortable she will be there.

The youngsters adapt more quickly to new conditions of life. In young males, the fins are shorter than in the mature ones, and in the young the body size is several centimeters smaller.

Look at the young male Blue / Red Dragon Halfmoon Betta.

Estimate the volume and condition of the water in which the not yet purchased fish lives. If you notice a cloud, dirt, substrate of unknown origin, wait a little with the purchase.

Water should be clean, clear, slightly yellowish shade is allowed.

Look at the other fish that live in the same tank with the fish you like. Is it a little tight day? How do they move, feed, their external condition?

The Siamese cockerels are fighters, and a long settlement in a species aquarium will destroy them all. If each fish lives separately, in good conditions – this is a big plus.

Do not buy two Betta splendens at once. If you lodge newcomers in a common tank, they quickly harm each other. Buy one pet, put him in a 2-week quarantine, look at his condition.

When he gets used to the new environment, you can populate it in a pre-prepared aquarium. After a few months, you can add neighbors to it, but given the nature of the character, this is a big risk.


Somiki are beautiful and unpretentious fish that even beginner aquarists can easily breed. Homeland aquarium catfish – this is South America. In their natural habitat, these fish prefer standing muddy ponds, where they can easily obtain food by digging worms and larvae from the ground.

In aquariums, catfish serve as cleaners, eating food residues behind other inhabitants and cleaning the glass walls of the tank with water from muddy deposits.

Unlike other fish, aquarium catfish are completely unpretentious in content: they can eat almost any live food for fish, the hardness and acidity of the water for them is not an important criterion.

Even a sharp decrease in the temperature of the water in the aquarium by a few degrees will not cause any harm to their health. Due to the special structure of the respiratory system, these aquarium fish can live in very dirty and oozy water, where there is no aeration at all.

Almost all the time catfish are at the bottom of the aquarium, where they carefully examine the shallow soil in search of food. From time to time, the fish rise to the surface of the water to swallow an air bubble that is absorbed in the intestines of the fish.

The behavior of animals is not affected by the quality, aeration and purity of water.

To the question “How long do catfish live in an aquarium?” no exact answer. It all depends on the conditions of the fish.

If the aquarium is clean, well-aerated, with dense thickets of plants, with a water temperature of up to 25 degrees and an acidity of up to 8.2, then catfish in it can live for about 8 years.

The quality of the feed also affects the lifespan of the fish. Live food is the optimal diet for these bottom inhabitants of the aquarium.

It is worth knowing that it is impossible to keep catfish in salted or salted water – this will lead to the death of fish.

Thus, catfish are beautiful schooling fishes that get along well with many non-aggressive inhabitants of the aquarium!

How much live cockerel aquarium fish, depends largely on the owner of the aquarium. Labyrinth fish are very sensitive to conditions. Prior to the nature of 3-4 years of life, in an aquarium, even under normal conditions, the cockerel usually does not live.

And you in a desperate condition have to watch your pet cockerel die.

Rare water changes, overfeeding and overpopulation of the reservoir greatly reduce the lifespan of the fish. In addition to these factors, a large role is played by dense vegetation with indispensable access to the surface for a breath of fresh air and the maintenance of water temperature in the range from 26 ° C to 28̊ ° C.

More than one male together with females is not recommended. But, if the volume allows, the number of boys is increased to two.

Although, cocks with luxurious fins, still feel better in small aquariums. Since it is proved that the water column greatly affects their development.

How many lives aquarium cockerel, oddly enough, depends on the factors influencing its behavior. Aggressive character constantly requires a fight.

From this situation they leave with the help of a mirror or a glass partition between males.

The rapid development of fish laid in its genes. Unlike other living beings, it is the mature age that gives their appearance the greatest beauty and charm.

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