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Aquarium fish swordtails photos and description

maintenance, care, compatibility

The sword-bearer (Latin Xiphophorus hellerii) is one of the most popular and unpretentious fish in the aquarium. The first swordtails appeared in aquariums back in 1864, and since then have not lost their popularity.

The long outgrowth on the lower fin in males, like a sword, gave it a name. But not only for this they love the Swordsman – he is unpretentious, handsome, very diverse in color and easily reproduces.

Swordtails in general are quite peaceful fish, well suited for general aquariums. But, they have very different characters, and he can be both a quiet and timid, and a cocky bully.

Especially males can be aggressive towards each other.

Swordtails are best kept in aquariums with lots of plants and free swimming. Floating plants will create diffused light and provide shelter for fry.

Like many live beetles, swordtails can live in brackish water, but this is not necessary.

You can feed them with cereal, live or frozen food, and other feed for aquarium fish. Like all fish, swordtails need a varied diet.

It is especially important to feed them with plant foods that are high in fiber. The fact is that in nature, thin and fragile algae constitute a large part of the diet of the Swordsmen and other fouling.

In an aquarium, this amount of algae will be superfluous, but you can always buy flakes with a plant component. You can make these flakes the basis of the diet, and live food additional nutrition.

Live food can be given any, swordtails completely unpretentious.

Aquarium fish swordtails: reproduction and maintenance

Swordtails are very popular among professional aquarists, and among fans. But before you get these bright fish, it is better to find out the details of care, breeding, compatibility with other types of fish, etc.

The natural habitat of the swordtails is Central America and South Mexico. Such an interesting name was given to these fish because of the unique shape of the fin. It is only for males and is used by them for reproduction.

Surprisingly, females of the swordtail can change their gender by growing a sword fin, and even in such a state give birth to offspring. In length, they are from 8 to 12 cm, not counting, of course, its fin.

Swordtails live about 4-5 years.

Swordtails do not require any thorough care. This way they are easy to maintain.

They do not need a special composition or a certain amount of water, they withstand a good lowering of the temperature (the optimum water temperature for them is 23-25 ​​° C). Water hardness also does not become a problem for these fish – 8-25.

Acidity is acceptable within 7-8.

To arrange the aquarium, you first need to find out what form it will be. It is better to take a rectangular aquarium without any decorations, which only interfere.

As for the volume, then for two representatives of this species or fish of similar size, an average of 8–10 liters of water is needed, that is, 10–15 individuals per capacity of 50 liters.

Install the aquarium should be closer to the window, because the light is needed and the fish themselves, and plants. But putting it on the windowsill is a bad idea, because the sun or the heat of the battery will overheat the water and it will bloom.

The surface must be flat, otherwise the walls of the aquarium may burst (if this happened, the article “Repair the aquarium at home” will help to correct the situation).

It is better when there are plants in the tank, then you can not be afraid to leave your pets without food in rare cases. Aquarium plants should be selected as thick as possible so that the fry can hide from more adult individuals. But there should be a space for the free movement of fish.

To do this, fit, gloss and glossy cabomba.

At least once a week, it is recommended to replace 20-30% of the aquarium water with clean water, and you can also add sea salt to it.

As the soil for the aquarium, you can take the usual pebbles. Aeration of water is desirable, but not necessary, at a low density of fish population.

As for food, here too the swordtails are universal – any food, live or dry, is suitable for them. It is recommended not to forget about vegetable types of feed, and to use them in addition to algae.

For this fit variety of lettuce, spinach or oatmeal.

Having decided to start these fish, you need to remember the so-called hierarchy, and therefore it is better to place more females in one aquarium. There will be enough males and a few, preferably 3-4, so that between them there is no particular competition.

You should always cover the aquarium with something from above, as the swordtails are very nimble and like to jump out of it.

Aquarium fish swordtails: compatibility with other species

These are, in general, fairly calm fish; they only sort out relationships with each other, so you can keep them in the same container with other species. The only thing that they can aggressively treat smaller fish.

Barbs, cockerels, discus, tetra, labo, guppy, gourami get along well with swordtails.

Not very successful combination with them are eels and shrimps, but cichlids, goldfish and astronotuses are completely incompatible with swordtails.

Contain Swordsmanin in aquariums it is easy enough because of their unpretentiousness to the composition and volume of water. One pair must be at least 6 liters of water.

Aquarium needs a long, with a lid (can jump out of the water).

Optimum water parameters: temperature 22-24 ° С, dH 5-20 °, pH 7.0-8.0. Requires strong aeration and filtration.

Once a week it is necessary to replace water by 1/3 of the volume. It is recommended to add sea or table salt to water: 1 tbsp. 10 liters of water.

Thick thickets of small-leaved plants (for example, notched elodea, cabomba, wallisneria) are perfect for an aquarium with swordtails. But free space for swimming fish must also be present.

On the surface of the water, you can let ricci.

As neighbors fit any peaceful fish. There are conflicts in the group between males of swordtails, so it is necessary that there are more females than males.

In this case, the males must be either one or more than three individuals – aggression is sprayed, and not directed directly at each other between the two males.

Breeding swordsmen

Swordtails belong to the family of viviparous. The female at a time is able to give life from 15 to 100 fry, and even more.

The number of juveniles born into the world depends on the age and size of the mother, as well as on the conditions of her life. For successful breeding, the pregnant female is deposited in a separate aquarium before birth. So that the fry born to avoid the teeth of an adult female, small-leaved aquatic plants should also be placed there to create life-saving algae thickets in a small pond where it is so good to hide from danger.

Breeding will not require any special care from the aquarist.


It will be enough just to isolate the female for the time of childbirth from the rest of the aquarium, and after the childbirth return it to the familiar environment, leaving the sword children to develop on their own. By the time of birth, fry are completely formed for the beginning of independent life.

As soon as they were born, they immediately begin to tirelessly master the space of the aquarium and actively feed. Kids are almost omnivorous, but it is preferable to give them daphnia and cyclops.

With proper feeding, the fry grow rapidly, by 3-4 months they already acquire a “sword”, and puberty occurs in 4-6 months.


Swordtails are not aggressive, peaceful fish. They are compatible with all similar fish: tetras, neons, minors, terntions, danios, all petilium fish: guppies (can bite), mollies, etc.

They are compatible with almost all aquarium catfish – corridoratus (speckled catfish), akantoftalmusy, platidor, antsistrusy, baggy-tailed catfish, etc. Moreover, the swordtails get along very well with peaceful and not large cichlids, for example, with scalars.

It is not recommended to push them to the “veil” fish – they are slow and swordtails can “pinch” them for beautiful, large fins. Not compatible with aggressive and large fish, for example, cichlids: Akara, astronotus, diamond tsikhlazomy


Swordtail Aquarium Fish Diseases There are three main reasons:

  • wrong content;
  • bacterial and fungal infections;
  • parasites.

You would think that only in the first case the fault lies with the aquarist’s conscience. But in fact, infections and parasites affect fish with immunocompromised.

In other words, even if there is no fungus or parasite in the aquarium, in bad conditions the fish will get sick.

Attentive owner will notice the beginning of the disease Swordtails with daily inspection of aquarium fish. That’s what it costs note:

  • fading in place, lying on the bottom;
  • random swimming, rocking, rubbing against stones;
  • loss of appetite;
  • bloating;
  • folding fins;
  • dull and whitish spots on the body;
  • cotton-like shreds.

The diseased individual should be transplanted as soon as possible. It may be possible to save the healthy from infection.

Swordtails belong to the family of viviparous, carp-toothed. The body is elongated, flattened laterally.

The natural background color of the males is light brownish-olive, on the back with a green tint. A red two-millimeter strip runs along the sides, and two narrower red stripes below and above it. The long lower ray of the tail fin (sword) has a black clear edging.

The color of the female is much paler, the body with a silvery sheen, the middle of the body is occupied by a wide strip, and below and above this strip pass two more narrow strips 0.5 mm wide.

As a result of breeding, the Sword-bearers have not only various forms of fins, but also different colors of their body colors: black, red, olive, orange, yellow, and their combinations (for example, yellow body and black fins). Sword-bearers with two swords are also drawn at the bottom and the top of the tail.

The body of a male (without a sword) can grow up to 8 cm, and females up to 12 cm.

Swordtails live up to three to five years.




Swordtails: reproduction and maintenance. Aquarium fish swordtails

For more effeminate scalars, funny shrimps and slow telescopes, if you want, return later. Explain to the child that you first need to learn how to handle simpler fish. Naturally, in any case, it is necessary to consult the seller.

He will ensure that predatory and peaceful fish are not in the same “house”; advise food, soil, jewelry, a net; will tell you which compressors, filters and lighting devices are the most convenient to use.

Surely in the list of proposed inhabitants it will be the swordfish fish.

These undemanding small fishes (most often bright red or black in color) with beautiful sharp tails are ideal as the first pets for your kid. Firstly, they do not need special conditions of detention, secondly, they easily get along with other types of fish, and thirdly, they are viviparous.

Reproduction of swordtails in an aquarium, it can be said, happens almost by itself. And imagine how much joy the child will have when he sees the first fry that will grow before his eyes!

So, the choice is made – the swordmen. Their reproduction is a fairly simple process.

Fish reach sexual maturity at the age of 6–8 months. The female swordsman is larger, the male is smaller, but only he has the famous long tail in the form of a sword, for which, in fact, this species got its name. Therefore, it is not difficult to distinguish them and understand how many “boys” and “girls” are in the aquarium.

It is better to have more females than males. There is one more detail: if there are only two males, they can behave aggressively towards each other and often fight.

Therefore, let him either be alone, or four or more – then their attention is sprayed, and the aquarium swordfish fish will behave much calmer. Consider this nuance when buying them.

In fish such as swordtails, reproduction under favorable conditions – a stable water temperature, good lighting, live food – can occur every month. Fry quickly turn into mature individuals. So, already in 3-4 months, the males will acquire a sword tail, and in another couple of months, full-fledged adult swordtails will swim in the aquarium.

Fish breeding will begin on a new one … However, if pregnant females are not relocated to another tank, the law of nature, such as natural selection, will act, during which not all fry will survive, but only the most nimble and nimble.

After acquiring an artificial reservoir from each novice aquarist, the first natural impulse is the desire to fill it with all kinds of fish. But with what, to start?

Today in the world there are many different types of aquarium fish. And the simplest thing that they usually offer or advise in a pet store is live-bearing aquarium fish.

They differ from other species of fish in that they are easier to maintain. Also breeding them is not a big deal.

They also have very diverse offspring.

This happens by breeding and crossing different species of fish. For some reason, it has already been developed that it is these, the so-called viviparous fishes that are always the first to populate new aquariums.

But you get so used to them that you start to get involved in them for many years. Therefore, they occupy the first place among the water aquarium world.

Let us consider in more detail what these fascinating representatives of the underwater world are.

This fish, whose photo you can see below, got its name because of its tail, which is very similar to a sword. Their homeland – the tropical waters of Central America, southern Mexico.

She is also a viviparous fish. Also, like Guppy is safe for other fish. Swordtails are very beautiful and have a bright color.

A distinctive feature between the female and female is their size. The female is slightly larger in size than the male.

She is also not as expressively bright as a male. Their body has an elongated shape.

There are many types of swordtails, photos of which are presented below. So, these include:

  • tricolor swordtails;
  • flag swordtails;
  • swordsmen voilehvostnye;
  • swordtails green;
  • black swordmen;
  • swordtails calico

Their maintenance and breeding does not require much effort. These fish differ from other fish in their mobility.

Therefore, do not forget about the presence of the cover on the aquarium, as they can jump.

After giving birth, they fall to the bottom of the aquarium, then rise to the surface to take the first breath. In one spawning, a female swordtail can bring about 50-200 cubs into the world, depending on the age and type of fish.

After the first spawning of fry will be 30-50, in the next – 70-100 and more.

After the end of childbirth, the female needs to be transplanted into the general aquarium so that it does not harm the fry. The female and male of the swordtail do not provide care for their offspring.

Also, the female can be transferred to the bailout, feeding her with food so that she gain strength.

See how to breed Swordsmen.

If you plan to breed Swordsmen in the general aquarium, plant in the aquarium plants with small leaves that can form dense thickets. In them the fry will hide from the attack of adult fish.

The following types of plants will be suitable for shelter: elodea cogwort, cabomba, myriofillum, aponogeton, valisneria, izoztis.

After the birth of the fry in the general aquarium, they can be planted using a net with small cells. If there are few places in the tank for shelters, adult swordtails will hunt the brood by eating it.

As a result, few young cubs will remain alive. Newborn fish are already formed, have a bright color, so they are easy to notice, which simplifies the care of them.

Fry are born in the morning time of the day, their size on average – 10 mm in length. Their body is formed, translucent with bright hues, yolk sac is visible, the contents of which ended in prenatal development.

After they calm down at the bottom, they will begin to swim erratically. Swordsman fry adapt well to the conditions of life in an aquarium, the first days of life they keep in the flock, and swim in the upper layers of water.

They prefer to hide in plants, while frightened, who where.

Watch a video on how to keep fry.

Caring for the flesh of the swordtails can bring some surprises. The fact is that the number of males and females in brood depends on the water temperature. At low temperatures, more females appear, at high temperatures – males.

The water in which the fry live should be replaced once a week, 25% of the total. Kids are sensitive to environmental pollution.

It is necessary to clean the water using an internal filter, and saturate the water with oxygen using a compressor.

Newborn fry can be fed with nauplii of Artemia, Cyclops nauplii, infusoria, a microworm, nematodes, rotifers and other live food. At the age of 1 month, the fry can be fed with chopped tubule, branded feed for the fry of viviparous fish, hard-boiled boiled egg yolk. Fry recommended to feed 2-3 times a day in small portions, the entire feed should be ground into powder.

When the diet is enriched with protein, they grow faster, for older fry care will be easier.

If the rules of feeding were observed, then the little swordtails by age will grow three months to the size of 5-6 cm. At this time, the young males will have the first rays on the tail fin, which will resemble a sword. To avoid inbreeding and premature mating, babies should be sorted into separate aquariums, males separately from females.

They can become sexually mature in 6-8 months, but this depends on the water temperature. Some become sexually mature at three months.

During puberty, the anal fin of males turns into a cone-shaped gonopodia, and in females it becomes rounded.

If in the general aquarium there live different types of swordtails, they can interbreed with each other, bringing fry with a beautiful appearance. The exception is the selection forms of these fish, which must be protected from such crossing.

An interesting fact is that there are no sex chromosomes in the sword, so with age the female can become a male, and vice versa.

The allowable temperature for keeping fry in a spawning game is 22-26 ° C, however, as they mature, changes may occur. With a shortage of individuals, male or female, the Swordtails try to maintain their appearance.

If the female and the male (formerly female) intersect, their calves will be female.

Aquarium fish – DESCRIPTION

For many, aquarium fish are very often the favorite pets. Their names are very diverse and amazing.

Many of them speak for themselves, but the beginning amateur has not even heard about most types of aquarium fish. It is amazing to watch these bright multi-colored creatures. Psychologists say that after a short period of time observing aquarium fish, a person regains mental balance, stress passes, blood pressure returns to normal.

The carp fish family, among which such species of aquarium fish as the goldfish, barbus, danios, can rightly be considered the most common in modern aquarism. The next most popular family of fish – Persian. The sword-bearer, guppy, petilia

and mollies – these types of fish became the first experience for many aquarium lovers. Also, somiki success.

A lot of interest are the types of fighting and antsistrusy. The popularity of such a family of fish as the Cichlids-Predators is constantly growing. Many species of fish of this family, such as discus, astronotus, tsikhlazomy and chromis, are now very widespread.

Do not forget about other families of fish, for example, Labyrinths with their beautiful representatives – liliusi and macropods. Fish are representatives of the class of vertebrate animals, their habitat are fresh and saline waters. This ancient group, according to some scientists, exists on the planet for more than 430 million years.

There are practically no reservoirs on Earth in which certain species of fish would not live.

It affects not only their great diversity, but also the ability to adapt to different conditions. Exotic fish that are kept in aquariums often have a very interesting body shape, small size and beautiful color. As a rule, they are thermophilic and feel comfortable at a temperature of at least 19-21 degrees, but some species withstand even lower temperature.

Look often for the general condition of the inhabitants of the aquarium world. Look, whether aquarium fish are sick, whether their behavior is normal, whether there are different types of growths, bruises, wounds on them. All unnecessary items immediately need to be removed from the aquarium, suspicious fish should be deposited in a separate aquarium, especially carefully monitor them, try to find out the reasons for their abnormality and, if possible, identify any symptoms of diseases

.Under the aquarium fish refers to fish, the content of which is possible at home and for which there is a demand among aquarists. Aquarium fish in the shops sell a huge variety and it is not surprising that many novice aquarists are confused and take the wrong aquarium fish. This leads to problems.

And so to say the advice on the track – trust only trusted aquarium shops, read more yourself and listen to less sellers. Before you buy anything, find out whether the store has specialized in aquarium fish for a long time, and whether complex types of fish are on sale.

But if the place to buy fish is doubtful, just hold that purchased fish are 2-3 weeks in a separate aquarium to observe and clarify the issue of their health.


Aquarium fish – ornamental fish, which are kept in aquariums. The first mention of the artificial breeding of fish in China is dated 1500 BC. er For most of the aquarium fish is characterized by a bright decorative color, fancy body shape and small size.

Goldfish are considered the most popular aquarium fish.

The popular aquarium fish also include: danios, anscistrus, barbs, angelfish, catfish, neons, nanostomuses, labo, discus, guppy, etc.


Maintenance and nutrition of aquarium fish.

Usually in aquariums may contain several species of fish. Here you need to very competently approach the combination of various species in the aquarium.

It is necessary to take into account the compatibility of the color of aquarium fish, the proximity of the conditions of detention, the similarity of behavior.

Pay attention to the presence of oxygen in the aquarium (with its lack of fish rise to the surface and swallow bubbles of water).

Very important is the temperature of the water (if the water is too cold the fish will be lethargic, if too high – they will be thrown vertically around the aquarium).

Lighting is also very important for fish – the light day for fish should last 10-12 hours, so do not forget to take care of purchasing a lamp that corresponds to the volume of your tank.

To eat aquarium fish should be diverse, full and correct. Usually, fish are fed 2 or 1 time per day, usually 1 hour before and after switching on the light.

It is also useful to arrange a so-called hungry day 1 time a week – then the probability of obesity in fish is reduced.

It is very important not to overfeed the fish, as food remains, not eaten and trapped in the soil, rot, which leads to turbidity of water, and therefore the disease of fish.


These are calving and viviparous fishes. Breeding aquarium fish are those fish that spawn in the ground or on plants, and then fry appear from it.

And viviparous aquarium fish are fish that immediately produce fry, which can do without the help of parents. It should also be noted that among the aquarium fish there are predatory fish that feed on smaller fish than themselves.

Aquarium Fish Decoration Aquarium

So, how to feed, we figured out … And what to feed aquarium fish?
All feed for aquarium fish can be divided into four groups – branded, frozen, live food and vegetable food.

If you want to keep a healthy fish with a beautiful color, it is better to feed all kinds of these feeds. Of course, some fish can eat only live food, others only vegetable.

But for ordinary fish, the ideal diet consists of branded feeds, regular feeding with live feeds, and not regular plant foods.

Branded feed – provided that you buy real ones, and not fake, can be the basis of the diet for most fish. Modern branded food for fish, contain all the necessary substances, vitamins and minerals, so that the fish was healthy. To buy such food is no longer a problem, and the choice is huge.
Separately, I will note the so-called dry food – dried gammarus, cyclops and daphnia. Extremely bad feeding option for any fish.

Does not contain nutrients, poorly digested, allergen for people.
But do not use dry food – dried daphnia, there are almost no nutrients in it, fish suffer from stomach diseases and grow poorly!

Aquarium fish Diseases

The most important step in the treatment of aquarium fish diseases is to establish the correct diagnosis.

Encyclopedic knowledge of diseases is not enough here, we need considerable experience for a long time already engaged in aquarium fish people.

When studying the history of the disease of fish, it is necessary to note the following factors:

– before the onset of the disease, whether new fish or plants appeared in the aquarium (infection is possible);

– there may have been a sharp drop in temperature or composition of the water (then colds can occur);

– what changes were in the behavior of aquarium fish (fish sluggish, move a little, or rub against stones, soil, refuse to eat, etc.).

After studying the history of the disease, changes in behavior, you should examine the body of the fish (whether the color has changed, the appearance of spots or tumors, the destruction of the fins, and the clouding of the eyes).

And only after that the verdict of one or another disease is rendered. Beautiful you aquarium fish.

Aquarium fish

Section “Aquarium fish includes a description of aquarium fish of various species and requirements for their maintenance. Here are the most popular families and types of aquarium fishto.

The carp family of fish, among which such species of fish as the goldfish, barbus, danios, can rightly be considered the most common in modern aquarism. The next most popular family of fish – Persian. The sword-bearer, guppy, petilia and mollies – these species of fish became the first experience for many aquarists.

Catfish are also popular.

Deserved interest are the types of fighting and antsistrusy. The popularity of such a family of fish as the Cichlids is growing every year. Some species of fish of this family, such as the discus, scalaria, astronotus, tsikhlazomy and chromis are now quite widespread.

Do not forget about the other families of fish, such as Labyrinth with their wonderful representatives – males, llyausami and macropods.

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