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Otsadnik for fry in the general aquarium

maintenance, care, compatibility

If the fish produce fry, then the condition of the water is quite satisfactory. Consequently, sooner or later the host of ornamental fish is faced with the problem of preserving the young.

The fact is that tiny fry are an excellent food for almost all adult individuals.

If the young do not time to seed, isolating from the rest of the inhabitants of the aquarium, it will be eaten in the shortest possible time. Some aquarists plant fry in separate trays or jars.

Located directly in the general aquarium, a special bowl for fry can successfully solve the problem of their preservation and subsequent growth. Before spawning, adult fish are placed there, and immediately after the appearance of offspring, the parents are moved back to the common aqua.

Only kids are left in the barn.

Before you start making your own spit out of your own hands, it will not be superfluous to familiarize yourself with the existing types of these devices.

The material for the manufacture of a quarantine mini-aquarium for young fish at home can be a simple transparent plastic bottle from under the mineral water. Bottles from under juice or drinks will not work: plastic may contain molecules of foreign chemicals.

First you need to remove the label and carefully wash off the remnants of glue. The upper part of the bottle (about 1/3 of its height) is cut, but not completely.

It is necessary to leave a part of plastic with a width of about 3-5 centimeters for the manufacture of the handle of the future center.

The improvised handle should be bent in half, heat the bend on the fire, preventing complete reflow, and fix in the form of a kind of hook. The height of the future homemade broom and the size of the hook should be chosen so that the edges of the plastic house for the fry are above the level of aquarium water.

For the subsequent operation you need patience. A thick needle or thin awl in the plastic of the bottle pierces many holes.

Aquarium water will flow through them. Holes should be made not around the entire circumference, but on one side (approximately of the surface).

It is also not necessary to pierce the bottle down to the bottom: if you change the water, if you need it, the water with the fry will remain at the bottom.

If you make holes on the outside, then inside this container there will be notches like a small float. A female, which during spawning abruptly moves from side to side, can seriously get hurt. And fry such a grater can also cause injury.

But for adults, swimming in the main aquarium, ribbed plastic surface is completely safe.

Homemade otsadnik for fry ready. It is suspended from the wall of the aquarium so that air bubbles from the aerator fall into it. Flows of water and air, starting from a solid wall, create an environment in the otsadnichke that is necessary for the young.

Of course, you need time to clean the holes from debris and algae.

Some aquarists use plastic containers that freely float in an aquarium as an improvised jigger. But the principle remains the same: the presence of holes on one or two sides of the container for aeration and circulation of water.

Experience shows that hard-wall bailouts are much safer for juveniles than netting devices. For the production of the simplest plastic kindergarten for fry it will take only 30-40 minutes of time and a little patience.

For those who do not want to do a bailout for fry with their own hands, we suggest that you look at the review of the turnkey solution from the pet shop on the video

The content of guppy fry is possible in a specially prepared jigger. It is recommended to take a glass container with a volume of 20-50 liters – in such a tank, caring for young fish will not cause trouble to the aquarist.

Water should be taken from the general aquarium, where these fish were born. Often there are reports that the guppy fry died after running into the pit.

This is due to the fact that the water in it was unsuitable parameters. Undercoat, stones and snags are optional, because they do not simplify the care of a guppy brood.

See how to make a simple otsadnik for fry with your own hands.

In the tank you need to install a filter and compressor. As a filter sponge fit, connected to the compressor.

To maintain the temperature, you need a water heater. For lighting it is better to choose fluorescent lamps that do not heat the water too much.

Replacement of water should be carried out in an amount of 20-40% of the volume of the settler. Siphon bottom is also needed, better after a water change. Sponge from the filter to rinse 1 time per week, depending on the degree of clogging.

Aeration and water filtration should be enabled around the clock. Water for replacement must insist 2-3 days.


In the first days of life, the amount of daylight hours should be 12 hours; it should be gradually reduced. At the age of 3-4 months, small fish will be enough for 8-10 hours of light.

Saturated lighting increases the rate of growth and development. The best water temperature in the tank: 28 ° C for the first 3 days of life.

Gradually, the temperature decreases to 26 ° C, in 3-4 months to 24 ° C.

Proper care is not possible without feeding. The first 3 weeks of life they can be fed live dust and artemia by the term of incubation for 6-8 hours. In the first month of life in the diet, you can add bloodworms, chopped shaker, Cyclops.

It is important that the feed is crushed. You can also give boiled and chopped chicken yolk, alternating it with other feeds.

It is recommended to give branded feed for fry guppies.

Look at the newly born guppy fry.

As they grow, the fry need to be sorted. When it is possible to identify the floor, especially the matured guppies, prepare an aquarium with water, diluting it with water from a pitcher.

Guppies from the age of 2-4 weeks can breed, therefore, in order to avoid early pregnancy of females, sorting should be carried out.

The dominant feature of the male guppy in the early stages is the lengthening and folding of the lower fin, which is located near the anus. Over time, this fin will turn into gonopodia.

Once gonopodium is formed, it will be easier to determine the gender in the early stages. Mixed-fry cultivation of fry is good for their health.

With separate maintenance, it is easier to care for them, and they do not spend their strength on pursuing each other.

If the fry do not take food during feeding, it means that the quality of water does not meet the standards. Healthy fry have a rounded belly and a strong appetite. Many problems with growing fry are due to the fact that they are provided with the wrong care.

This applies to cleaning the aquarium (bottom siphons, water changes, filtration, aeration).


The first signs of coloring of young fish do not appear immediately, depending on the species or breed. Sometimes the female guppy is able to give birth to offspring from different males, or once a fertilized female can give birth every month.

The number of fry in one brood is about 20. Therefore, it happens that fry from several broods grow in an aquarium.

The first time after birth, the fry can stay at the bottom in a stationary state.

If it is wrong to care for the female during pregnancy, she may give birth to premature fry, which will have a yolk sac, before the expected time. Female premature births occur because of frequent water changes in the aquarium, or because of the launch of a guppy in a recently launched aquarium.

Mortality among premature fry is very high.

Everyone is sufficiently experienced amateur fish aquarium at least once, but faced with situations where adult fish ate their fry. It is for this reason that the experts recommend that the future mummy be transported to a separate container for the safety of the fry. But such a solution to the problem not only delivers additional trouble to the aquarist, but also fish because of the lack of proper conditions, they feel uncomfortable, languish and fall ill.

The way out of such a situation was a bailout for guppies and other viviparous fish.

In each pet store you can find two main modifications of the spit:

  • walls, which are made of fabric;
  • with hard, mostly plastic, walls.

Based on the experience of experienced aquarists, hard-wall bailouts are much safer for your pets. Primarily due to the fact that predatory fish can devour the fry and through the fabric.

And there are also situations when small fishes get entangled in the folds of the fabric and suffocate there. Therefore, to buy or do it yourself should be an otsadnik with solid walls.

The simplest and cheapest basis you can think of for a jigger is a plastic bottle. From it it is necessary to cut off the neck.

But this must be done so that at the top of the resulting glass there is a “tail” about 4 cm wide and 7-10 cm long. You can make a convenient hook from it to hang the glass on the edge of the aquarium.

And the most important thing that should be done to make the glass an ossicator is to make many holes with a needle, through which water can circulate.

It is advisable to place the chuck in the general aquarium near the sprayer for better ventilation. Now the fry will be in the aquarium with water of the desired temperature, enriched with oxygen, etc., but at the same time in complete safety.

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