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Fish in aquarium

maintenance, care, compatibility

Speaking about the popularity of fish, it should be said that a meaning is embedded in this concept: the prevalence among aquarists, accessibility, ease of maintenance — the simplicity of the fish, etc. That is, a popular fish is a fish deserved authority and demand in the aquarium market.

Popularity does not depend on the size or type of fish. As a rule, this question is asked by novice aquarists who are going to purchase or purchase additional fish.

In this connection, it should be noted that when buying fish, first of all, it is necessary to take into account the compatibility of aquarium fish, and only then their popularity.
So, we present to your attention our selection of the most popular aquarium fish (in alphabetical order, with photos and descriptions).
Ancistrus
The most popular soma suckers. Antsistrusy not whimsical in the content, are orderlies of the aquarium world.

They have a sharp character and can even drive medium-sized, neighboring fish.
Order, family: carps, mail catfish.
Comfortable water temperature: 22-24 ° C.
Ph: 6.5-7.5.
Aggressiveness: not aggressive 10%.
Antsistrus has a mouth with horn-shaped suckers, which he actively scrapes algae in an aquarium – he cleans the walls of the aquarium and eats dead organics. I am happy to eat any live and dry food.

The activity of these soms is manifested with the onset of dusk or when the aquarium lighting is turned off during the day.
Astronotus
These fish are hard to call easy to maintain, since they belong to the family of tsikhlovyh fish, moreover they are large, predatory fish. Nevertheless, due to its beauty, its qualities: demeanor, mind – the astronotuses won the leading positions in popularity among cichlids.
Order, family: cichlids
Comfortable water temperature: 22-28 ° C
Ph: 6.0-7.5.
Aggressiveness: 99% aggressive
Aquarium volume for astronotus should be from 300 to 500 liters.
Needs aeration, filtration, regular water changes (weekly 30%). Particular attention should be paid to filtering – it should be powerful (the second filter will not be superfluous).

The aquarium can be decorated with large stones and snags, the decor should not be sharp. Provide shelters for fish.
Barbusses
Amazingly diverse family of fish. Nimble, gregarious fish, for which it is interesting to watch.

Barbs live relatively peacefully with similar medium-sized neighbors in an aquarium, but can pinch smaller and weaker fish.
Order, family: Carp.
Comfortable water temperature: 21-23 ° C.
Ph: 6.5-7.5.
Aggressiveness: quite aggressive 30%.
Sumatran barb compatibility: barbus, gourami, moths, parrot, catfish, creeps, tetri.
Most species of these fish can be kept in aquariums from 50 liters. Lifetime in the aquarium for them is usually 3-4 years.

When keeping barbs you need to take into account the peculiarities of a particular species, since the variety of different variants of this fish often confuses novice aquarists.
Guppy
Everyone knows these fish, even those people who never had an aquarium. This is not surprising because they were the most popular inhabitants of all Soviet aquariums.

Guppi fish have also earned their popularity: unpretentiousness in nutrition and maintenance, resistance to adverse conditions of detention and low price.
Poecilia reticulata or Lebistes reticulata
Order, family: Pecilia (Poeciliidae).
Comfortable water temperature: 20 – 26 ° C.
Ph: 6.5 – 8.5.
Aggressiveness: not aggressive 0%.
Guppy Compatibility: compatible with all non-predatory and not big fish.
During the long years of keeping guppies in aquariums and careful selection, many species of guppies have been obtained, and their maintenance and maintenance are not so simple. At present, it is very difficult to classify guppies, because as a result of numerous crosses, more and more new breeds are bred each year.
Gupeshek can be kept in the general aquarium (but not with fast-floating species that can tear off their fins) with a length of 60 cm, in places with dense thickets of plants, including small-leaved, reaching the surface of the water (among them desirable Indian limnophila and glossy grass), floating plants with roots hanging down, as well as riccia, where the fry will find shelter. To the volume of the aquarium guppies are undemanding.

Gourami
Another large family is the labyrinth fish. The beauty and popularity of these fish is their diversity and beauty. And also in the fact that they are not demanding aeration of the aquarium and can go without it for a long time.

This is due to the fact that the homeland – the habitat of the gourami is the rice fields of Asia, where there is little oxygen in the water, and the water itself is stagnant. These fish, as a result of evolution, have learned to breathe atmospheric air, which they capture from the surface of the water with the help of the gill labyrinth.
Order, family: labyrinth
Comfortable water temperature: 24 – 28 ° C.
Ph: 6.5-7.5.
Aggressiveness: not aggressive 40%.
For maintenance, an illuminated aquarium (overhead lighting) with a volume of 100 l and more, with thickets of living plants and free swimming space is required. It is desirable to have snags (fish constantly keep near them).

Filtration, light aeration and weekly substitution of up to 30% of the volume of water are needed.
Danio
These are small, nimble fishes, which mainly swim in flocks near the surface of the water. Pink danios are especially popular. Unpretentious in content, inexpensive, can get along even with large non-predatory neighbors.

An interesting fact about danios is the fact that these are the first fish that have undergone the current trend. Glofish – artificially derived form of glowing fish.
Danio pink Brachydanio albolineatus
Order, family: Carp.
Comfortable water temperature: 21-25 ° C
Ph: 6.5–7.5, water hardness: 5–15 °.
Aggressiveness: not aggressive. Fish are kept in an aquarium by a flock (from 6 specimens) in an aquarium with a length of 60 cm and a volume of 20 liters and more.
Discussion
Discus are the kings of the aquarium. These fish can not be called easy to maintain, unpretentious. Moreover, their cost very much bites, and their character is so capricious that sometimes even an experienced aquarist has a hard time coping with them.

Nevertheless, the disc-shaped body of these South American cichlids, their coloring is just fascinating. This fish is popular because everyone wants to start it in its aquarium, but not everybody can feel it.
Discus blue Symphysodon aequifasciata haraldi
Order, family: South American cichlid.
Comfortable water temperature: 25-30 C.
Ph: 5.8-7.5.
Aggressiveness: not aggressive 10%.
Discus is a big fish. In the natural environment, it reaches a length of 20 cm, in aquariums the size does not exceed 12 cm.

Body shape – discoid. The dorsal and anal fins are very long, bending around almost the whole body. Pelvic fins narrow.

The body is brown with vertical blue stripes. The whole body is decorated with numerous blue strokes.

Males are larger and brighter than females, males fins are more pointed.
Discus demanding care – for their maintenance, a tall and spacious aquarium is needed. The minimum size of an aquarium for a couple is 150 liters.

However, schooling fish and for its maintenance (5-6 individuals) an aquarium is needed from 300 to 500 liters.
Goldfish
Here we are with you and got to these posh representatives of the aquarium world. Perhaps, these fish are not only known, but also seen by everyone.

After all, even with mother’s milk, we all heard a fairy tale: “On the Fisherman and the Fish,” where this popular fish, or more precisely, the tail feather, became the prototype of the sea mistress. In addition, since time immemorial, namely from the time of ancient China, the monks were engaged in the selection of these fish, while receiving amazing forms from the progenitor of all Goldfish – silver carp.
Order, family: carp.
Comfortable water temperature: 18-23 ° C.
Ph: 5-20.
Aggressiveness: 5% are not aggressive, but they can bite each other.
Compatibility: with all peaceful and non aggressive fish.
Many novice aquarists, trying to make friends with these fish, take a whole horde of young cinchons. However, you should always remember that this is a large type of fish and for a couple of Goldfish you need an aquarium from 100l.
Corridors
This is a family of chain catfish. Popular, easy-to-keep, not capricious, peaceful catfish.

They have intestinal respiration, i.e. can breathe booty – anus.
Corydoras paleatus
Order, family: armored soma.
Comfortable water temperature: 24-25 ° C.
Ph: 6.0-7.0.
Aggressiveness: not aggressive.
Compatibility: any fish. Only not desirable – Labo, modest bots, well, Ancistrus, because they chase them (although this is more like a game). Large cichlids are also not the best neighbors.

The most famous catfish and excellent attendants of the aquarium – by keeping them with “Goldfish” you will ensure the purity of the soil in the aquarium.
Lyalius
Another of the members of the labyrinth fish family. In this topic, it is singled out separately, since lalyusy have a calm and peaceful disposition.

Unlike gourami, they peacefully coexist with the most innocent fish.
Order, family: labyrinth
Comfortable water temperature: 18-20 ° C.
Ph: 6.5-7.0.
Aggressiveness: not aggressive 10%.
Lyalius is one of the most beautiful, attractive fish of the labyrinth family. The fish is not big in the aquarium can reach 5-6cm.

The body of the fish is flat. The lilius color is greenish-blue with transverse stripes of red and blue-blue color, the belly near the gills is blue.

The fins of lalius are covered with red spots. The male lyalius differs from the female in a brighter color.

They are the same size. Lyalius live only for a short period of 2-3 years.
Fish has a timid character. It is advisable to put lyalius in the aquarium with calm, peaceful fish.

It is recommended to keep cutting with a flock of 3pcs., So the fish feel more confident.
Swordtails
Bright, lively representatives of viviparous fishes. Hardy, active, cheap in price.

May contain peaceful cichlids, for example, scalar.
Xiphophorus helleri
Order, family: petsilievye.
Water temperature: 20 – 25 ° C.
Ph: 7.0 – 7.5.
dH: 5-20 °.
Aggressiveness: not aggressive 10%.
These fish have a variety of shapes, types and colors. They have a specific tail tail that is unique to them, for which they are among the people that got their name.

In addition, swordtails belong to the species of viviparous fish and therefore their breeding does not pose any difficulty.
The combination of the above factors affected not only the popularity of these fish, but it can be said to have made them popular.
Neon
Neons are one of the smallest aquarium fish, look beautiful in a flock. Absolutely peaceful, harmless fish, which can talk for hours.
Paracheirodon
Order, family: carp-shaped, haracin
Comfortable water temperature: 18-24 ° C
Ph acidity: 5.5 – 8 °.
Stiffness dH: 5-20 °.
Aggressiveness: not aggressive 0%.
The complexity of the content: easy
Neon Compatibility: non-aggressive, peaceful fish (neons, tetras, swordtails, petsyli, ornatus, pulchera, lanterns).
Not compatible: Neon can not be kept with large, aggressive fish: tsikhly, barbs, large catfish, goldfish, Labe, gourami.
Petushki or Betta
Very beautiful fish, its veil tail and fins just fascinate. The color of the fish is different.

The most common ink color with a reddish tint. Males are colored much brighter, fins are longer than those of females.

Fish size up to 7 cm.
Order, family: labyrinth
Comfortable water temperature: 22-24 ° C.
Ph: 6.0-7.5.
Aggressiveness: aggressive males in relation to each other.
Compatibility: with all the peaceful fish. It is not necessary to plant to the swordtails, barbs, gourami, especially to tsikhlam.
Angelfish
Angelfish are popular American cichlids. They favor peaceful and not very large neighbors.

Angelfish do not uproot aquarium plants, as many cichlids do.
Latin name: Pterophyllum scalare.
Order, family: Perciformes (Perciformes), cichlids, cichlids (Cichlidae).
Comfortable water temperature: 22-27 ° C.
Ph acidity: 6-7.5.
Stiffness dH: up to 10 °.
Aggressiveness: not aggressive 30%.
The complexity of the content: easy
Compatible scalar: although the scalars are cichlids, they are not aggressive. Favorable attitude even to small, peaceful fish and even to vivipartes.

As neighbors, we can recommend: Red Sword-bearers (they look great with black sklyarias), terntions and other tetras, danios, all soma, gourami and lyaliusi, parrots and eloi, other non-aggressive chichlaids.
These South American cichlids simply fascinate with their elegance and beauty of sailing fins, which, like the wings of an angel, support it in dimensional weightlessness. Actually not for nothing foreign these fish are called angels.
Ternetsii
Thorns is a small, popular dark silver fish. It can be found in any pet store and in many home aquarium.

Its unpretentious content, ease of breeding, peaceful nature – deserves the attention of aquarists beginners.
Latin name: Gymnocorymbus ternetzi
Synonyms: Black, mourning
In English: Black skirt tetra, Black Widow tetra, Black tetra.
Order, family: Characteristic.
Comfortable water temperature: 21 – 24 p.
Ph acidity: 5.7 – 7.0.
Rigidity: up to 6-16 °.
Aggressiveness: not aggressive 20%.
The complexity of the content: easy
Torakatum
Tarkarums are one of the most common catfish in our aquariums. Their popularity is due to the simplicity of content, endurance and peaceful disposition of these fish.
Latin name: Hoplosternum thoracatum.
Correct name: Many people call this fish tarakatum, probably comparing it with a cockroach, but the correct way to speak is thoracatum, from the Latin “thorax” – the shell.
Synonyms: Torakatum, Hoplosternum, Som Toraktum, Tarakatum Som.
Order, family: Carapace soms.
Water temperature: 22-28 ° C.
Ph “acidity”: 5.8-7.5.
dH: Up to 25 °.
Aggressiveness: Not aggressive 0%.
The complexity of the content: Very light
Compatibility: In fact, any fish – these catfish do not pose any threat to other inhabitants of the aquarium.
Tsikhlazoma black-striped
Black-striped tsikhlasoma – one of the most popular fish of the family tsikhlazom. These are relatively small, unpretentious in keeping fish, possessing a beautiful, sophisticated body color and what is important, unlike many cichlids, have a more relaxed character.
Latin name: Cichlasoma nigrofasciatum. From the Latin words “nigro” – black and “fascia” – ribbon, belt, strip.
Russian synonyms: Black-striped cichlinoma, black-striped cichlasoma, black-striped cichlamose.
Foreign names: Zebra Cichlid, Zebra chanchito, Convict Cichlid, Zebrabuntbarsch Grunflossenbuntbarsch, Blaukehlchen.
Order, suborder, family: Perciformes (Perciformes), Okunevidnye, Tsikhlovye (Cichlidae).
Comfortable water temperature: 20-28 ° C.
Ph acidity: 6.8-8.0.
Stiffness dH: 8-30 °.
Aggressiveness: 30% are relatively non-aggressive, aggression is shown during the spawning and care of offspring.
The complexity of the content: easy
Some may say that the peak of their popularity has passed, that now there are many other more colorful forms of cichlids and cichlase in particular. However, the statistics are not lying! Today, black-striped tsikhlazoma, the most popular of all tsihlazom in search Yandex.

Every month more than 2200 users of this search engine apply for this request.
We also recommend you to look at the colorful brochure “Popular types of aquarium fish”. This brochure contains all popular types of fish, with a description of their conditions of maintenance, compatibility, feeding + photos.

(to view or download, click on the image)

The name of the aquarium fish photo catalog video species.

What to do if you find a dead fish in the walls of the aquarium?

  1. Look at the number of fish in the tank. Recount them in the morning and in the hours of feeding. What is their condition, do they take food well? Are there fish that refuse food? Is it possible bloating in one of the fish? If you have not found any fish, check all the corners in the aquarium by lifting the lid. Inspect the plants, caverns and all the scenery. If after a few days the dead fish did not float to the surface, it may have suffered from a neighbor in the aquarium, and you can hardly find it. Sometimes the fish fall into an unprotected filter, and die there. In any case, keep searching until you find the visible reasons for the disappearance.

  • Fish that have died in an aquarium should be removed from it. Tropical species of fish quickly rot because of high water temperature. Under conditions of such an environment, bacteria multiply rapidly, water grows turbid, and an unpleasant odor appears, which can cause infection of other pets.
  • It is necessary to do inspection of the dead fish. You must understand why she died in an aquarium. Wear medical gloves. If the body is not completely decomposed, look at the condition of the fins, scales, and condition of the abdominal cavity. Perhaps there are wounds on the body or signs that she has suffered from unproductive neighbors. If the stomach is strongly swollen, eyes bulging, the scales are covered with bloom or stains – it means that the pet has suffered from illness or poisoning. After inspection, gloves should be discarded.

    Check the water parameters. Water is often the main cause of poor health.

    Take tests with indicators, and make the necessary measurements. The increased content of ammonia and nitrates in water, heavy metals leads to the fact that pets die quickly. If the aquarium has a decorative element made of iron, zinc, copper – this is another pointer.

    Some fish do not tolerate metal, and suddenly die.

    Watch a video on why water tests are needed and how to use them.

    After the test results, draw conclusions. The test will show two results – either you have everything in order in the aquarium, or the water is dirty and there is an overabundance of toxic substances in it. In the second case, you need to enable powerful filtering, and make a replacement of 25% of the aquarium water for clean and infused.

    Dramatically change the parameters of the water is not necessary, it can harm living fish.

  • But if the water is in proper condition, there may be a number of other reasons why the fish died. Sometimes aquarium pets die of hunger, overeating, illness, severe stress, bruises after attacking other fish, age. If the fish die suddenly, you need to do everything necessary to keep others alive. Contact your veterinarian if you do not find obvious causes of death of the pet.
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