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Fishes swordtails breeding

maintenance, care, compatibility

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.

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.

Swordtails – viviparous fish, that is, the fry they appear not in the form of an egg, but fully formed. The male fertilizes the eggs inside the body of the female, and she carries them to full maturity.

Usually this period lasts 28-30 days. Actually breeding Swordsmen at home is not easy, but elementary.

The young male is constantly active and pursues the female, in fact, all you need to do is to take her away regularly.

As for other viviparous (guppies, mollies), it is very easy to get fry from the swordsmen. The female can even give birth to fry without a male, the fact is that she can keep the male’s milk in a frozen state and fertilize themselves with them … So if suddenly the female gave birth to fry and there is no male in the aquarium, this is exactly the case that worked.

Sword bearers of spores for reproduction and sometimes the only thing that needs to be done is to raise the temperature in the aquarium to 25-27С. The level of ammonia and nitrates at the same time should be kept as low as possible, and pH 6.8-7.8.

When the female gets full, watch the dark spot near her anus. When it darkens and the female recovers significantly, it means time for giving birth soon. This is a dark spot, in fact, the eyes of the formed fry, which shine through her body.

You can leave the female in an aquarium, but the fry will survive very little, since other swordtails are very active in eating it.

If you want to survive as many swordsman fry as possible, it is better to transplant the female. Whichever option is chosen, the main thing is that in the aquarium there were a lot of thick bushes.

The fact is that childbirth of the swordtails gives birth best of all in such thickets.

The fry of the swordtails are large, active and hungry. What to feed the swordfish fry? You can feed the egg yolk, finely grated flakes and naupililiy Artemia.

It is better to add spirulina or flakes with fiber in the diet. The combination of spriulin + live food and your fry will grow very fast and bright.

Sword-bearer of aquarium fish: content, compatibility, reproduction, photo-video review

Swordsmen know everything, even those who have never encountered the aquarium world. The Sword bearers gained such fame due to their wide distribution (one can say that they were part of the set of every young aquarist of the former USSR), as well as thanks to a special sign – the tail fin in the form of a sword.

Actually, it was for this tail that the Swordtails got their name.

Homeland Sword – Central America (South Mexico and Guatemala). They live in reservoirs with stagnant and slowly running water, thickly overgrown with various aquatic plants.

Swordtails (Xiphophorus helleri) belong to the family of fish. Xiphophorus helleri is translated from Greek as “xiphos” – the sword, “phoros” – carry.

The prefix “Helleri” was assigned to the sword bearers by the name of the German naturalist Karl Bartholomeus Heller, who first caught these fish in the Mexican lakes and successfully transported to Europe.

In 1848, these fish were first described by Dr. Johann Jacob Heckel – preparator of the Museum of Natural Sciences at the Imperial Natural History Study of the Museum of Natural Sciences in Vienna.

The body of the fish is elongated and compressed from the sides. The swordtail’s mouth is turned up and adapted for taking food from the surface of the water.

Fish can reach a size of 10 cm (without a sword). Females are somewhat larger than males; they are similar in shape to all other petilium.

In addition to the presence of a “sword” on the lower edge of the caudal fin, the male has gonopodia, an anal fin transformed into the sexual organ.

Scientific classification

swordtails swordtails:

Latin name:

Class: Ray fish

Squad: Kartozuby.

Family: Pecilia.

Conditions in the aquarium:

Water temperature: 22 – 26 ° C.

(tolerates a temporary decrease in temperature up to 15 ° С)

Ph acidity: 7.0 – 7.5.

Stiffness dH: 6-20 °

Aggressiveness: not aggressive 10%

The complexity of the content: easy

Swordtails are not aggressive. They are compatible with almost all small peaceful fish. Among the best neighbors are tetras, minors, terntions, danios, all fish, etc.

They are compatible with almost all bottom fish: corridors, akantoftalmusy, platidorus, antsistrusy, bag-tailed catfish, etc. They get along well with peaceful and not large cichlids, for example, with scalars.

Sword-bearers are not compatible with aggressive and large fish that will hunt them, for example with cichlids (Akara, astronotus, diamond chichasomes, etc.). In addition, it is not recommended to push them to the “veil” fish, because they are slow and swordtails can “pinch” them for fluttering fins.

Males of the Sword show some intolerance and aggression towards each other. Cases of males fights were noted up to causing lethal damage to each other. Therefore, in one aquarium should contain only one male, or several at once (but not a couple!), Plus the same or more females.

In this case, the intraspecific aggressiveness of the fish is markedly reduced. There are a lot of local conflicts in this case, but their heat is relatively low, and the absolute winner, who would then no longer give anyone a pass, would not be revealed.

See article compatibility of aquarium fish.





Life swordtails, by the aquarium standards, medium-long. With good conditions, they can live up to 5 years.

Find out how much other fish live HERE!

Many novice aquarists contain swordtails in small aquariums. However, this is not entirely correct.

In fact, the swordtails – it is quite large fish. And taking into account the fact that it is recommended to hold swordsmen in proportion 1 male / 2 or more females, the minimum size of an aquarium for them should be from 50 liters per harem family.

Aquarium for the Sword should be wide.

About how much you can keep fish in X liters of aquarium, see HERE (at the bottom of the article there are links to aquariums of all volumes).

Requirements for the care and conditions of the swordtails

The Swordtails do not need any special conditions. In fact, the observance of optimal parameters of aquarium water is the key to their well-being. However, do not forget that:

1. Swordtails necessarily need aeration and filtration, a weekly replacement of up to 1/4 of the volume of aquarium water. It is worth noting that these fish do not need a lot of oxygen, and too frequent change (replacement) of aquarium water is not so useful for them as for other types of aquarium fish.

Therefore, if you change the water less often, for example, once every 14 days, and not at 7, nothing terrible will happen.

2. The aquarium must be covered with a lid, because the fish are nimble, can jump out and die.

3. Like many fish, swordtails feel comfortable among the living vegetation. As aquarian plants for them are recommended to use valisneria, echinodorus, cryptocoryne, riccia, duckweed and other plants.

Creating thickets of plants imitates the natural habitat of fish.

4. At registration of an aquarium it is necessary to organize in it an open space for swimming. Swordtails are excellent swimmers.

Shelters of the Sword are absolutely not needed.

Breeding and breeding of the Swordsmen is absolutely simple. It is similar to the reproduction of guppies and other live-beetles.

And, one might say, actually happens on its own.

Sexual maturity of the Sword comes at the age of 5-6 months. For breeding (and for their own comfort) it is recommended to keep the fish in the proportion of one male to three females.

In the process of “courtship” for the female, the male performs a kind of mating dance – shuttle movements back and forth.

Fertilization of ripe eggs occurs inside the female. This process can take several days.

An interesting feature is that the once fertilized female of the swordtail can produce offspring several more times, even in the absence of a male.

The duration of gestation of the female is 4-6 weeks. This period depends on the parameters of the aquarium water, temperature, lighting and feeding.

A pregnant female has a full belly and has a “black spot of pregnancy” under the tail. It is believed that a few hours before the “birth” the female’s stomach becomes “square”, the female begins to move more actively, “toss” up and down along the aquarium glass.

At one time, the female sweeps from 15 to 100 or more fry. Spawning occurs, as a rule, in the morning.

With abundant nutrition and water temperature 26-27 ° C, childbirth can occur monthly.

Swordtails are very resistant fish and can tolerate harsh conditions of detention. However, like all living things, such excellent health does not last forever.

The key to successful maintenance of fish is to ensure optimal conditions for aquarium water.

Swordtails are prone to all typical diseases of aquarium fish and there are no nuances in their treatment.

For proper and correct treatment of swordtails, it is necessary to diagnose the disease, and then apply the necessary procedures.

This will help you Treatment and diseases of aquarium fish and sections of the site: DISEASES OF FISH are contagious, DISEASES of FISH are not infectious, AKVA. MEDICINE.


Swordtails Recommended

Viviparous aquarium fish. Guide to keeping and breeding

Livebreeding Fishes Author: Peter W. Scott Languages: Russian Publisher: Phoenix

Sword-bearers are old, unpretentious and popular inhabitants of aquariums

Red Sword-bearers: male and female

One of the most popular inhabitants of aquariums are swordtails. Under natural conditions, they can be found in Mexico and several countries of Central America.

They live in ponds, lakes, downstream rivers – reservoirs with standing or slowly flowing water. In Europe, and later in Russia, the Swordsmen appeared at the beginning of the 20th century and immediately won the love of aquarists due to their liveliness, bright colors and unpretentiousness in the content.

By the simplicity of their content, they can be compared, only, perhaps, with a guppy – also a very popular kind of aquarium fish.

Since its introduction in aquariums in Europe and Russia, the swordtails have greatly changed due to the many years of breeders’ efforts. Today, it is almost impossible to find a purebred representative of the species in aquariums, because as a result of these efforts and crossing the swordtails with different types of platilium, many new subspecies of the most varied coloring with fin shapes, which are very different from the original natural version, appeared. Modern aquarium fish swordtails are red and gold, lemon and black.

There are even their varieties of brindle color – combinations of black and red, as well as calico, where the red and black colors are complemented by white, as well as other variants of the color of these fish.

Swordtails breed well in aquarium conditions

What conditions need to create in the aquarium for the Sword

Unlike most aquarium fish, swordtails are not too demanding as to the volume and composition of the water in the aquarium. They quite easily tolerate temperature fluctuations of water, but the optimum temperature for their livelihoods is 22–24 ° C. About once a week in the aquarium, it is desirable to replace a third of the volume of water and at least occasionally conduct its aeration.

It is under these conditions that the growth and reproduction processes go best.

Swordtails love algae thickets, in them young fish hide from adult males and females. Small-leaved plants such as cabomba, toothed elodea, wallisneria and similar algae are very suitable for creating such thickets. When setting up an aquarium for swordtails, care should be taken to ensure that they are among the plants prepared for the home mini pond.

And the surface of the water can be decorated with Riccia – with open bright green moss. But it is not worth much to get involved in aquatic vegetation, there must be free space for swimming fish – this is an important condition for arranging an aquarium.

Swordtails – playful fish, sometimes they can even jump out of the aquarium. To avoid such tragedies, the aquarium should be covered with glass. The vital activity of the Swordsmen is greatly influenced by good nutrition.

They are unpretentious and in relation to feed, they are happy to eat any live food – Cyclops, Daphnia, bloodworms, pipemaker, but they do not refuse from combined feed. It would be good to include in their diet and feed of plant origin.

Since the maintenance and breeding of swordtails are fairly simple, these aquarium fish are most suitable for beginner aquarists. In addition to the ease of care, they are also quite interesting for observation.

In addition, this type of fish is very peaceful, and as they gain experience, an aquarist can add representatives of other types of fish to the aquarium who are already more whimsical in their care.

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