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Discus fish photo

maintenance, care, compatibility

Discus is an incredibly beautiful and original body fish. No wonder they are called kings in a freshwater aquarium. Large, incredibly bright, and not easy bright, but many different colors … why aren’t kings?

And as befits the kings, unhurried and stately. These peaceful and elegant fish attract the attention of aquarists like no other fish.

Aquarium fish discus are cichlids and are divided into three subspecies, two of which have been known for a long time, and one is relatively recently discovered. Symphysodon aequifasciatus and Symphysodon discus are the most famous, they live in the central and lower reaches of the Amazon River, and are very similar in color and behavior.

But the third species, the blue discus Symphysodon haraldi was relatively recently described by Heiko Bleher and is awaiting further classification and confirmation.

Of course, at the moment wild species of discus are much less common than artificially derived forms. Although these discusses have huge differences in color from the wild form, they are much less adapted to life in an aquarium, prone to diseases and require more care.

Moreover, discus is one of the most demanding types of aquarium fish, requiring stable parameters of water, a large aquarium, good feeding, and the fish itself is extremely expensive.

Aquarium fish discus. Fish discus: description, photos and conditions of detention

The main reason for their occurrence – non-compliance with the rules of content. With good care, when attention is paid to water quality, lighting and nutrition, stress (the cause of many diseases) is practically excluded.

Discus – aquarium fish, which are very sensitive to even minor changes. The main problems encountered:

  • Bowel disease. The reason may be poor-quality food or a sick neighbor. The fish becomes lethargic, refuses to eat. The excrement is like white thread. Purulent ulcers appear on the head and fins. An accurate diagnosis is established only by laboratory.
  • Intestinal obstruction, dropsy. Occur as a result of poor nutrition. In fish, the abdominal cavity is swollen, possibly a bug-eyed. In the first case, the discus takes food until the intestines rupture, after which it dies. Dropsy is a complete lack of appetite.
  • Bacterial infection. The symptoms of this disease can not be overlooked – the edges of the fins whiten, the mucous membrane thickens, the color of the body becomes darker. Fish loses appetite, clogs up in a corner. If you do not take time to rescue measures, gradually her eyes become turbid, fins and tail begin to decompose. Treated with antibiotics.
  • Parasitic diseases and fungal infections – often occurring in discus.
  • Gill and skin worms-flukes can lead to a very serious condition of the fish. In the fight against them help special tools sold in pet stores.

Why it is not recommended to settle the discus in the general aquarium?

If you want to acquire different types of fish, and watch them through the glass of the general aquarium, check with whom the discus has full compatibility. This is to ensure that the content does not cause you trouble, and the pets do not experience stress.

Also ensure that frequent water changes do not harm the neighbors of these cichlids.

The catfish pterigoplichts brocade well tolerate the high temperature of water. They eat the remnants of food from the bottom of the tank, clean the aquarium glass. Periodically, soma must be given food of plant origin.

There is one big minus – pterigoplicht is often caught from natural reservoirs, then put up for sale. They can be carriers of parasites or infections.

Before settling into an aquarium, they are kept in quarantine for 2 weeks, adding a certain dose of medication to the water.

Admire the aquarium with discus and scalar.

When you are not sure of the origin of the fish – do not move it into a common tank, so you will protect the lives of all pets. In the extreme case, a beautiful species aquarium, with different plants and fish, will help to create these types of fish:

  1. Neon is a peaceful, small fish, compatibility with discus is complete. Neons are “indicators” of water status. They look harmonious with bright neighbors, do not cause them trouble. Some aquarists have successfully kept them with discus. But in this case, the temperature of the water in the pond should be 28 ° C, not higher. For cichlids, this is the lowest threshold, for neons, the upper one. The parameters of medium hardness and acidity are identical: pH 6.0-7.0, hardness up to 20 dH.
  2. Red tetras, or rhodostomuses, are bright fishes, live in a flock, have a peaceful character. Like the discus, they love the water soft and sour, clean. They swim in the middle layer of water, but they like shade more than light. Permissible water parameters: temperature 23-28 ° C, hardness 2-15 dh, acidity – 5.5-7.5 pH. Discus carries such parameters of water, but not below 27 degrees in temperature.

  • Ornatus red is a haracin fish, the content of which is better by a flock in the common tank. Ornatus is undemanding in feeding, it prefers finely crushed food. Lives with the parameters of the aquatic environment: a temperature of 23-28 degrees, an acidity of 6.0-7.0 pH, a hardness of 10-15 dH.
  • Ramirezi’s apistogram — discus with her in “kinship,” this species also belongs to the Cichlid family. The size of the fish is small – 10-15 cm, the behavior is peaceful, non-conflict. Like discus, apistograms do not dig the ground, do not pull out plants with roots, prefer tropical aquariums with warm water. Eat well as discus, unpretentious in content. Permissible water parameters: temperature 24-28 ° C, hardness 8-15 dH, acidity – 6.5-7.5 pH. In the general aquarium for discus and apistograms there should be a constant siphon of the soil, regular replacement of water.
  • 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. The shape of the body is 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 is very demanding to care – for their content you need a tall and spacious aquarium. The minimum size of an aquarium for a couple is 100 liters.

    However, schooling fish and for its maintenance (5-6 individuals) an aquarium is needed from 300 to 500 liters.

    Many aquarists are in awe of these fish, many call them “Kings Aquarium”, for their become, beauty and whimsical! There are lovers of discus and on our Forum, as they say welcome Discussions – notes, tips, observations – Forum aquarists.

    We bring to your attention, a photo selection of all types and breeding forms of discus

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    Discus is a beautiful freshwater fish of the Cichlid family. It has long been cultivated in home aquariums.

    Keeping the fish possible in spacious tanks, there will be comfortable pet. The range of temperature threshold for discus is rather narrow – from 26 to 32 ° C, it prefers warm water, as the best option is a tropical aquarium. It is better to keep discus in water at a temperature of 28–30 ° C; keeping it at a low temperature is fraught with colds and other diseases.

    High water temperatures for fish are allowed during quarantine – it can reach 33-35 ° C, this range is allowed for 2-3 days. In a spawning aquarium, where fry reach and develop, high-quality growth and care will be ensured by a water temperature of 30-32 ° C.

    Like a cichlid fish, discus loves subacid and soft water, with a neutral pH level (6.0-7.5), and a hardness of dH 10-15. It was observed that the fish can live in water with parameters superior to neutral ones. The discus fish can transfer alkaline water pH up to 8.0, and with hardness above 20 dH.

    However, such parameters of the aquatic environment will not stimulate spawning, and the fry will not mature in it.

    Watch a video story about the discus.

    Despite the fact that today there are many drugs for water purification, it is still necessary to change it. You can make a daily replacement of 10% of water for fresh similar parameters, or 10-20% of water every 1-2 days.

    Overdoing with replacements is not necessary, otherwise the fish will get a lot of stress. Is it possible to understand how often water should be changed? Yes, this is possible if you know all the characteristics of your tank:

    • Notice which filter is installed in your tank;
    • What is the volume of your aquarium, how many fish live in it;
    • Chemical indicators of water;
    • At what temperature does the fish contain water – the lower to, the slower the food decomposes, and the metabolic processes in the body of the fish proceed more slowly.

    Novice aquarists believe that lowering the pH level will improve the health of the fish. The standard method of lowering the pH – the use of peat, wooden kryagy, mixing tap water with osmosis or distilled. You can resort to the help of chemistry – with the addition of phosphoric acid.

    Acidic water stops the reproduction of unicellular bacteria, preventing the development of diseases. Lower the pH will help the tools that are sold in pet stores.

    One drop is enough to bring the pH to neutral.

    The main thing for discus is the purity of water. Any aquarium fish wants to live in a fresh environment where there are no extraneous smells and dirt. Regular replacement of water, periodic cleaning of the tank will ensure the removal of ammonia, nitrites and nitrates, waste products of fish.

    Powerful filter will help remove all unnecessary.

    Homeland discusus South America. Keeps fish in calm water, choosing

    shady places off the coast, where you can hide under the roots of coastal trees and fallen timber in the water. Pompadour is one of the first representatives of discus that appeared in amateur aquariums.


    The most important in the content of the discus is the quality of the water. The fish is very dirty, besides a lot of mucus.

    Practically all sources unanimously assert that practically nothing will allow to get away from water changes. Probably, it is possible to assemble a water recovery unit that will allow the use of a closed loop.

    But in this case, there will inevitably be a big tangle of problems associated, in particular, with the addition of trace elements, if there are plants, since the regeneration systems have nowhere to go without reverse osmosis systems and activated carbon. Therefore, we will not try to consider such expensive and complex complexes, especially since there is a way out and it is quite simple! His name is a duct.

    The duct is a very useful thing for almost all aquarium living organisms, whether fish or plants. In the case of discussions, she

    acquires paramount role.

    There is nothing in the content of the discus that an amateur cichlid couldn’t do with his arms growing properly. Be prepared for the fact that from the purchased teens to the kings of the aquarium not all will grow, some will remain small princes.

    In their natural habitat, discus fish live in water at an approximate temperature of 24 ° C. But if the aquarium does not raise it to 28-32 ° C, the fish begin to constantly get sick, lose their appetite and move a little.
    On one discus it is necessary to allocate 40-50 liters. In this case, it is enough to change the water 2-3 times a week.

    If you do not resist the beauty of these fish and the density of landing is high, daily changes are vital. In extreme cases, one day can be missed, but then feeding the fish is undesirable.

    In the aquarium should be a good aeration and a powerful filter, you can with peat additives.

    The discs are very sensitive to changes in the acidity of water, the best option is pH 5.5 – 7.0 and dH up to 15. These fishes can live in hard water, but they will not multiply.

    It is better to buy a test when preparing an aquarium and check all the parameters in advance.
    Here, perhaps, that’s all.

    Contain diskwithit turns out it’s not that difficult, right?


    But if you nevertheless decided to settle other fish with discus fish, then it would be better if they are aquarian pets with similar conditions. For example, armored catfish, corridor panda, sterba corridor or golden corridor prefer to live at temperatures up to + 34 ° С.

    In addition, these fish will eat up the food, which remained uneaten eaters.

    Under conditions of high temperature and intensive water exchange, the brocade pterigoplichtis also feels good, which can also be shared with discus. In addition, this species of catfish cleans the glass aquarium well.

    There is a certain compatibility of discus fish with some other fish, such as the scalar and red neon, the blue congo and the clown’s battles, the red-headed tetra, the apple snail and various shrimps.

    Unlike other cichlids, the discus is a peaceful and very livable fish. They are not predatory, and do not dig the ground like many cichlids.

    The discs are schooling fish and prefer to keep in groups of 6 pieces, and they do not tolerate loneliness.

    The problem with the selection of neighbors for the discus is that they are slow, slowly eating and living at a temperature of water that is high enough for other fish. Because of this, as well as not to bring the disease, discus often contain in a separate aquarium. But, if you still want to share your neighbors with them, then they are compatible with: red neons, Ramirezi apistogram, clown combat, red-bearing tetra, congo, and various catfishes to keep the aquarium clean, for example, Tarakatum, catfish with suction mouth is best avoided, as they can attack the discus.

    Some razvodchiki advise to avoid corridors, as they often carry internal parasites.

    Reproduction, breeding, breeding

    If you decide to breed discus, they should be grown together in a group of 6-8 individuals. Over time, the fish will be divided into pairs, which can later be used for breeding.

    A soft, weakly acidic water will be required for the spawning grounds so that the quantity of fertilized eggs will be large enough. The minimum spawning volume is 100 liters, while the soil and plants in the spawning pool are not needed.

    Clay pots or trimming ceramic pipes in an aquarium will serve as a substrate.

    Water temperature should be at the level of 30-32 degrees. Discus discus spawning seasonally, therefore they can multiply up to 10 times during one period.

    It happens that caviar dies or is eaten by parents. After this comes a fairly long break.

    However, discus can breed for two to three years, and their sexual maturity begins at the age of one year. In one spawning, about 200 fry are obtained, which the parents feed up with the secret secreted by the skin. If you decide to feed the fry yourself, then the parents must be removed.

    Feed the young should be from 5-6 days naupliyami Artemia.

    As fry grow, you can use any quality feed that is suitable in size. As you can see, discus fish are quite interesting fish with their own requirements and habits.

    However, if you are ready to take care of them and follow all the recommendations, in gratitude discus will give you a lot of positive emotions.


    One of the most frequently asked questions to the distributors is “How to determine the sex of your fish?“. There are several signs by which it is possible to do this.

    In this article I will try to tell you about the methods of sex recognition of discus, which are used by many experienced breeders.

    In youth, it is almost impossible to distinguish female discus from males. The first opportunity to begin to be determined with the floor appears when they begin to divide into pairs. In young discus-sexes of both sexes, the rounded dorsal fins can only be distinguished by the dorsal fin when they grow up.

    Since, on our part, we cannot achieve rapid growth and sexual difference, respectively, we can only observe.


    Every person who loves and contains aquarium fish discus should know how to care for them, how to feed the discus, and all the details of this species of fish.

    Feed the discus should be 2 times a day – while it is necessary that the food does not remain on the surface of the water in the aquarium, for a long time: prolonged presence of food in the water increases the level of ammonia, and this is very harmful for fish. Therefore, it is necessary that the fish eat all the food for 5-10 minutes.

    Discus does not very willingly eat from the surface of the aquarium, so it is best if the food is at the bottom of the aquarium.

    There are three varieties of food for discus – live food, frozen and dry. Live food for discus is the bloodworm and the pipeker.

    Many aquarists say that the bloodworm must be present in the discus feed, because it contributes to the proper functioning of the fish’s intestine. Fish are fed with live food (bloodworm and pipeker, they do not like Artemia very much) or specially prepared stuffing, high-quality feed with vitamins and additives for color.



    Order, family: South American cichlid.

    Comfortable water temperature: 25-30 C.

    Ph: 5.8-7.5.

    Aggressiveness: not aggressive 10%.

    Blue Discus Compatibility: better to keep separate. Compatible with all non-aggressive fish: dunk, terence, minor, tetra, soma, etc. Some comrades recommend an angelfish in neighbors discus, but I would not risk putting young discus to adult scalars, since the latter are capable of aggression.

    And taking into account the cost of discus and scalar – experiments are equivalent to recklessness.

    Useful tips: Discus is very beautiful fish – they look gorgeous in a specific aquarium. However, there is one thing: the fish is very “capricious.”

    Discussions are demanding in terms of content, conditions, and require special attention from the host. Forgetting about them for two weeks you can get a sad outcome.


    The discs inhabit the upper and middle Amazon. They are kept in shady places of calm water bodies, above all near the shores, creating reliable shelters.

    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. The shape of the body is 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 is very demanding to care – for their content you need a tall and spacious aquarium. The minimum size of an aquarium for a couple is 100 liters.

    However, schooling fish and for its maintenance (5-6 individuals) an aquarium is needed from 300 to 500 liters.

    Comfortable water parameters for keeping discs: hardness up to 10-15, pH 5.8-7.5, temperature 25-30 C. Aeration and filtration are required.

    At the bottom of the aquarium arrange small shelters of snags and stones.
    Plants suitable for discus – is Amazonian Echinodorus, cryptocoryne, ambulia, cabombou. The lighting is moderate.

    Once or twice a week, cleaning in the aquarium and changing the water to fresh is recommended.

    Food for blue discus – live variety of food and substitutes. The diet for adults and large individuals can be varied with pieces of fresh lean beef meat (I recommend using a bull heart).

    Feeding aquarium fish must be correct: balanced, diverse. This fundamental rule is the key to successful keeping of any fish, be it guppies or astronotuses.

    Article “How and how much to feed aquarium fish” talks in detail about this, it outlines the basic principles of the diet and feeding regime of fish.

    In this article, we note the most important thing – feeding fish should not be monotonous; both dry and live food should be included in the diet. In addition, you need to take into account the gastronomic preferences of a particular fish and, depending on this, include in its diet ration either with the highest protein content or vice versa with vegetable ingredients.

    Popular and popular feed for fish, of course, are dry food. For example, hourly and everywhere can be found on the aquarium shelves of food company “Tetra” – the leader of the Russian market, in fact, the range of feeds of this company is striking.

    In the “gastronomic arsenal” of Tetra are included as individual feeds for a certain type of fish: for goldfish, for cichlids, for loricarids, guppies, labyrinths, areovan, discus etc. Also, Tetra has developed specialized foods, for example, for enhancing color, fortified or for feeding fry.

    Detailed information on all Tetra feeds, you can find on the official website of the company – here.

    It should be noted that when buying any dry food, you should pay attention to the date of its production and shelf life, try not to buy food by weight, and also keep the food in a closed state – this will help avoid the development of pathogenic flora in it.

    Discussions are recommended to keep in a separate aquarium: firstly, they themselves are very beautiful, and secondly the discus is very “demanding” to neighbors and conditions.

    Other species of discus brachidania can be neighbors in the general aquarium.

    Discus is a very capricious fish and even a slight deterioration in conditions can lead to their illness. If the fish are sick, first of all determine what they are sick (read info or consult at the pet store). The general and recommended measures in case of illness are raising the water temperature to 32 ° C and ensuring good aeration of the water.

    If this proves ineffective, you can use table salt at the rate of 5 g per 1 l of water or biomitsin 120 mg per 1 liter of aquarium water.

    A selection of beautiful photos of discus blue

    Interesting video about the blue discus

    Category: Aquarium Articles / AQUARIUM FISHES | Views: 8 089 | Date: 03/14/2013, 10:36 | Comments (0) We also recommend reading:

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    Discus are relatively large aquarium fish, the shape of the body is discoid, flattened symmetry. Their size is 15-25 cm in length, regardless of the variety. “Discus” is translated from Latin as a “disk”, so the fish received this name.

    It is difficult to describe the general characteristics of body color, because all species and breeds are very different. The most famous discus fish in the aquarium are: leopard, pigeon, green, red, pigeon’s blood, white, turkis and many others. These fish interbred with each other, as a result, the offspring received a weak immune system, although the color of their scales is very contrasting.

    Ornamental breeds have a capricious, capricious temper.

    In these fish, the dorsal and anal fins are parallel to each other; they are long, toothed. Caudal fin single-bladed.

    In some species, the ventral fins end with threadlike formations, like an angelfish. Sexual dimorphism is weakly expressed: in males the forehead is more pronounced, the lips are thick.

    Look at the species diversity of discus.

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