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Worms in the aquarium in the ground

maintenance, care, compatibility

If white worms appeared on the walls in the aquarium

Have you noticed that small white worms appeared in the aquarium? Some worms are barely noticeable and do not damage the ecosystem.

But there are also parasitic types of white worms that cause a lot of harm.

Small white worms can live in an aquarium; they are known as “glassworms” (Stenostomum leucops, Pianaria maculata, Dentrocoelium lacteum, Polycelis tenuis and others). Appear as a result of poor hygienic conditions. They do not cause significant harm to adult fish, but can attack the eggs, destroying them.

Glass worm species are harmful to the inhabitants of saltwater aquariums, because they devastate shells, echinoderms, corals and snails. Some parasitic forms of glass worms harm caviar and fry.

Turbellais are small glass or cilia worms that are easy to find in an aquarium. They can be seen with the naked eye on the walls of the tank, even on plants and decorations.

Worms can be white or light brown in color, a few millimeters in size. Not all ciliary worms cause significant damage to the reservoir. Triciadids are white worms that can injure fish or other inhabitants of the aquarium.

In their body there are Rhabdite sticks, which are thrown on the prey. When they fall on an animal, they cause injuries and paralysis.

See how look like turbo.

How to get rid of ciliary species? To display them is quite difficult.

Their egg membranes are not sensitive to drugs. The most optimal way is to move the fish temporarily to another tank, and in the old aquarium, clean the soil, plants, decorations, process boiling water or use special preparations. All parts of the aquarium must be dried well to destroy the eggs.

An effective method of prevention from ciliated “guests” is a clean tank, where regular cleaning and water changes are carried out.

Planaria is a flatworm that can appear in a freshwater aquarium. Planaria fall into the water with untreated soil, plants, decorations, and live food. Bringing out these worms is quite difficult, as they can recover quickly.

There are mechanical ways of destroying worms — a trap is set in the tank, and in the morning it is taken along with the worms. After that, worms are thrown into boiling water, and boiled for 30 minutes to complete destruction. The problem is that this method is not always effective.

These worms are dangerous for snails, crayfish and shrimps.


Planaria worms have hair on their bodies, or the so-called cilia. There are many types of planarians. In home ponds worms are usually infused the following groups:

  1. Dendrocoelum lacteum, or milky white worms. They are considered safer, do not cause severe harm to the inhabitants of the aquarium. They are easy to see in glass containers, especially on the walls and dark decorations.
  2. Planaria torva, or brown planaria – they are harder to notice because of the dark color, are active at night.

Watch the video about planaria and how to deal with it.

All planarian species of this species feed on protein products, including: shrimp eggs, small invertebrates, crayfish and shrimp feeds. Unfortunately, brown planaria can destroy the shrimps themselves from the inside, settling under their armor. How can you destroy these worms in a home aquarium?

The first and most important way is to clean the stones and scenery. From worms they can be washed off with water and treated with boiling water.

This also applies to the soil that needs to be removed from the tank and boiled.

Use special traps that you can cook with your own hands. Take a cheesecloth, make a small bag out of it, into which you should put small pieces of meat.

In the morning you will notice that the entire bag is filled with worms. He, along with the planarians need to extract from the aquarium, and destroy. Traps do not give a full guarantee of the destruction of these organisms, only reduce their numbers.

There may still be many worms under stones, snags and decorations.

You can also pass an electric current through the aquarium water with a charge of 12 volts. In such actions, you must comply with security measures, and before the procedure, remove all pets from the tank, their eggs, fry, and plants. Warm water with a temperature of 27-29 ° C can quickly destroy unwanted “guests”.

But not all fish tolerate this temperature.

Worms can be destroyed with the help of special preparations. They are very afraid of the means that include fenbendazole, they are: Fluendazole, Panacur, Fluvermal, Fliubenol.

Before use, carefully read the instructions. Usually the main dose is 0.2-0.4 grams per 100 liters of water. The preparation needs to be diluted in water, and then brought into the aquarium.

Nowadays fenbendazole is sold as a suspension. In a few days you will see the dead worms, and the only thing that remains for you is to cleanse your body of water from them.

When populating an aquarium with fish for the first time, it is rare that anyone assumes that completely unexpected inhabitants may appear in the water in time. Worms in an aquarium inspire both aversion and a desire to get rid of them as soon as possible.

But it is necessary to do this only if these worms pose a certain threat to the fish.

The parasites in the aquarium, which appear most often, include nematodes, turbellarians, planarians. Nematodes cause the least harm to aquarium inhabitants; they look like small, small, whitish worms.

Nematodes move freely in the water and the main reason for their excessive reproduction is a large amount of feed.

Planarias and turbellarians belong to dangerous worms in an aquarium.

  • Planaria these are flat worms, they have a body from several millimeters to three centimeters long. They are mostly white, but there are parasites and brownish and even reddish. Planarium can be distinguished by a triangular thickening at one of the ends, this is the head. Also, these worms very smoothly glide in the water without stretching and not contracting. Planaria are detected when there are already a lot of them, since they are hidden in the ground in sunlight. The number of these parasites increases when there is a lot of protein in the water, and hungry worms can devour the eggs of fish and penetrate into their gills.

  • Turbellarians or Ciliated Worms they destroy fish eggs, and fry suffer from these parasites. On the body of turbellarians there are rabdites, peculiar sticks, which the worm shoots at its enemies. Getting on the body of fish, Rabtids lead to the formation of wounds and cause paralysis. The main reason for the reproduction of ciliary worms is poor hygienic conditions in the aquarium. Turbellaria can be identified by a calf just a few millimeters long, these parasites are white or brownish in color. They prefer to stay ciliary worms on stone, glass, algae.

They remind worms in an aquarium and hydras, when there are a lot of them occupying almost the entire space. Hydras are not harmful to fish, and you can reduce their numbers by launching pond snails into the water.

Unwelcome guests in your tank – worms – give cause for concern and look somehow not very. Do I need to be afraid of them? Do they pose a major threat to the inhabitants of the aquarium?

In the article you will find a description of this species, possible effective methods of controlling worms and preventive measures.

Planaria – a type of ciliated worms. They can be as long as 40 cm in length. They are marine, freshwater, terrestrial, and feed on small invertebrates.

Fish do not eat them, because in their skin are glands containing poison. The exceptions are labyrinth fish, especially young gourami, males.

Planaria can harm in the following ways. They eat shrimp eggs, settling in spawning grounds, significantly reduce the number of caviar, eat crayfish, devouring their food.

Damage may be inflicted even on a mature shrimp population. Planaria settle under their armor, slaughter their gills, which provoke choking.

In the future, the worms eat the victim.

In addition, the view of the walls of the aquarium becomes unaesthetic. These worms can creep out not only at night, but during the day.

Where do planarians come from? Why has the habitat just recently been in perfect order, and today you are so worried and are seeing an unpleasant picture? Possible reasons:

  • worms brought in with the ground;
  • sat down already infected inhabitants, plants;
  • Interior items and toys from the old aquarium were added.

In the future, if planarians have already started, they will multiply at a tremendous speed, especially when temperature conditions change and untimely cleaning.

Types of planarians in the aquarium can be found such: mourning, brown and milky-white. They live in the soil layer, on the vegetation, sometimes they creep out and sit on the walls of the reservoir.

It is very difficult to find a planarium in an aquarium because of their color, it is easier to detect whites than brown ones.

How does a planarium harm in a closed aquatic system? This worm can eat shrimp eggs, settling in the spawning tank, can reduce the number of eggs, there are crustaceans and their food.

Planaria can also harm mature shrimps by settling under their armor, clogging their gill covers. As a result, the shrimp may suffocate and die, or the planaria will eat the affected shrimp.

In addition to physical harm to living creatures, planarians make the walls of the tank ugly – they can be seen both during the day and at night.

Look at the planaria on the wall of the aquarium.

The first question aquarists who noticed these worms: “Where can they come from?”. Under the proper conditions of care for the tank, they are unlikely to appear, but there are a number of reasons that can trigger their growth:

  • Planaria are introduced into the water along with the ground;
  • They can live on sick fish, crustaceans and shrimps, on plants that have been hooked in an aquarium;
  • Worms were brought into the interior of the aquascape along with the decorations from the old tank.

In the case of entry of planarium worms into the aquarium, they will begin to multiply rapidly, the favorable conditions for them are changes in temperature, irregular cleaning of the water space.


Planaria in the aquarium: how to get rid of? Step-by-step instruction

Planaria are flatworms, covered with a scalp that resembles small cilia. The main habitat of their habitats are freshwater.

However, some species of planaria can be found in seawater, less often on land. In nature, there are many species of these worms that are distributed throughout the world.

Adults of some worms living in the wild can be as long as 40 cm.

In home aquariums most often white-milk, brown and mourning planarians occur. The peculiarity of parasites is that they prefer to be nocturnal.

Planarians in an aquarium hide behind stones in the midst of plants. That is why it is not easy to find them, especially if they are brown or mourning worms.

Fish do not eat them, because in their skin are poisonous glands that produce toxic substances dangerous to others. The only exceptions are labyrinth fish (roosters, gourami) that live in a freshwater aquarium. Here they are eager to eat the parasites and their eggs.

In the marine aquarium of these worms prefer different types of wrasses.

The main feed planaria – protein food. The basis of their diet consists of small invertebrates, in particular shrimps and crustaceans. They love to eat caviar, fish, snails and crustaceans, as well as their food.

Often planarian in an aquarium (see photo below) attack adults. They are able to penetrate under their shell and clog up the gills, causing choking.

After which the worms eat the victim.

Planarias in the marine aquarium cause no less damage. Due to the colossal speed of reproduction, parasites are able to cover living stones, corals, glass and soil in a solid crust in a matter of months.

Excreted planarian corals begin to suffocate and may die over time. In addition, in the presence of parasites, the walls of the aquarium acquire an unaesthetic appearance.

The causes of ciliary worms may be several. They are often brought along with untreated soil or plants. Also planarians can get along with toys and interior items from the old aquarium.

As a source of infection can be live food or newly settled inhabitants.

When they enter the aquarium, the worms begin to multiply at a very high rate, laying eggs under stones, leaves of plants or in the ground. Planarium contributes to active reproduction by irregular cleaning of the aquarium and changes in temperature indicators.

Get rid of parasites is quite difficult. This is due to the fact that planaria is very tenacious and has the property of self-production.

In other words, if it is cut into pieces, each of them subsequently grows a tail and a head. According to some information, only 1/279 parts of the planarian body are enough to renew the whole organism. Moreover, these worms easily go to “suicide”: in the event of a threat to life, their body falls into pieces.

This ability in medicine has received the name of autotomy. In addition, these parasites are able to withstand a rather long hunger strike.

And yet, with some effort, it is possible not only to reduce their numbers, but also to withdraw them altogether.

It is worth noting that in aquariums where fish live, it is much easier to cope with the task. Some species of fish, for example, fairly hungry cichlids and macropods, will help get rid of worms quickly and for sure. After all, these fish are resistant to poisonous mucus ciliary worms.

But to make it in the shrimp is very problematic. This will require a lot of hard work.

If planarians start in an aquarium, how to get rid of these parasites? Aquarists have come up with a number of ways that help destroy the planarians.

Of course, you can mechanically clean and rinse stones, plants, filters, aquarium walls and various objects daily, thereby washing off the planarium.

To destroy the eggs of parasites, the soil must be removed and boiled. However, such manipulations are quite lengthy, and the expected effect is not always guaranteed, since the parasite’s eggs are so resistant that they can withstand even boiling.

Yes, and soon all this can simply get bored.

One of the most popular ways to destroy a planarian is to use mechanical traps. To do this, put a scraped beef or squid meat in a gauze bag and hang the bait at night near the ground or among the plants.

The aquarium should not be lit at this time. In the morning, in low light, carefully remove the bag with the caught worms, after which the trap is immediately immersed in boiling water.

Also for catching worms often use a special glass or plastic vessel with holes. Such a trap can be purchased in the store or make yourself.

The holes in the vessel are made in such a way that when they get in on the bait feed, the planarians can no longer get out.

It is worth noting that this technique requires patience. Catching bait needs to be spent several days in a row to remove the youngsters that have emerged from the eggs.

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