Discus Fish – Care | Types | Tank | Eggs | Aquarium | Food | Size

Discus Fish
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Discus Fish, the scientific name Symphysodon Sp additionally known as discus, is native to the Amazon river basin which is in South America. Pompadour fish is one other time period that’s used for the discus.

It is a really popular fish for aquariums attributable to its distinctive form and lavish colors. It tends to brighten up every aquarium and change into its focus.

Its social nature makes it simpler for it to be part of most tanks. In many Asian international locations, breeding has change into a whole business of its personal.

It was first found by Dr. Johann Jacob Heckel in 1840. It was then studied all through the waters of the Amazon. It often lives in teams within the wild due to its extremely social nature. Discus fish are sometimes shy and peaceable in nature.

It typically seeks solitude and might be discovered below crops within the water. It possesses a flat body, and its actions by vegetations are, subsequently, considerably unrestricted.

It is of course present in South American areas comparable to Peru, Brazil, and Columbia.

We are going to debate the attributes of the discus fish intimately in this post.

Discus Fish facts

Name: Discus
Family: Cichlidae
Size: 6 inches
Care Level: High upkeep
Minimum Tank Size: 3 feet (36 inches)
Temperature: 25 to 28 degrees Celsius
Water Conditions: Soft to medium (4.zero to 7.zero pH)
Diet: Omnivorous
Tank Size: 25 gallons
Temperament: Highly social

Discus Fish Description

The discus fish has a considerably compressed form. Its body is round. The name discus itself comes from its round body.

Most discus fish have varied patterns of various colors on their sides. Breeding has additionally helped type a wide range of brightly marked patterns that don’t exist within the wild.

Graceful and colorful are two phrases to explain the discus fish. They are known as the king of freshwater tanks. They are eye-catching creatures and change into the point of interest of any aquariums.

Their distinctive shapes and colors justify the time period king. They are straightforward to breed attributable to their extremely social nature.


What makes the discus particularly uncommon is that it thrives in non-African waters as properly, not like most different members of the Cichlid family. It is often discovered within the secluded waters of the Amazon, the place the river is calm.

These magnificent creatures require underwater foliage comparable to roots of bushes to outlive as they discover shelter among the many foliages to keep off predators.

They additionally choose areas that aren’t instantly affected by lighting and select to remain in shadowy areas, which additionally serves to maintain them out of sight of potential predators.

Discus fish have a noticeable desire for hotter, clear, and barely acidic water, which implies that they don’t seem to be the simplest fish to maintain as a pet and even in an aquarium.

Types of Dicus Fish

The systematics of the discus underwent sure modifications through the research of the lifetime of fish. Initially, all discus was assigned to at least one species, contemplating the variations in coloration solely as coloration variations.

But a more detailed examination of the traits of those fish led to the isolation of three species throughout the genus Symphysodon.

Red Discus Or Heckel Discus (Symphysodon discus)

In honor of the scientist who first described this species, it was named the Heckel Discus. The red discus or the Heckel discus is a standard fish and might be seen at aquariums typically.

They stay in South America, within the Amazon: particularly, within the Rio Negro, Rio Branco, and different rivers. They choose water wealthy in humic substances, the so-called “black water”. The soil in natural biotopes is sandy with numerous dying leaves.

The form of the body is standard, disc-shaped, flattened laterally. The iris is shiny red. The body coloration of the Heckel discus varies from reddish yellow to brown. Longitudinal wavy blue traces cross nearly your complete body of the fish, aside from the chest and the center of the body.

There are 9 vertical darkish stripes on two sides of the flattened body, the first, fifth, and ninth bands are most pronounced (brighter and wider). Depending on the situation of the fish, discus fish coloration might differ.

If the fish is worked up, the vertical traces virtually disappear, however, the blue ones change into a lot brighter. In irritating conditions or with poor upkeep, every part occurs precisely the alternative: the blue traces fade and the vertical ones change into more distinction.

In particularly uncared for conditions, a nearly full lack of discus discoloration could also be noticed. In nature, Heckel discus grows as much as 20 cm, in aquariums, the size often doesn’t exceed 10-15 cm.

Sexual dimorphism is weakly expressed. The basis of the natural diet contains zooplankton and phytoplankton, in addition to detritus within the dry interval.

Green Discus (Symphysodon Tarzoo)

Despite the truth that the primary coloration of the body of the fish is brownish-yellow when trying on the people of the discus caught in nature with a mirrored image of the blue sky, the scales appear greenish.

The fish acquired a species epithet in honor of a Colombian company from the city of Leticia, specializing in the export of fish. It was within the surrounding space that Symphysodon tarzoo was caught and described.

There is a green discus within the Amazon basin (Peru, Colombia, Brazil). Prefer “black water”. They stay close to the coast amongst sunken bushes and dying leaf litter.

The iris is shiny red. Along the entire body and the dorsal fin of the green discus, there are longitudinal wavy traces of turquoise coloration.

A large black stripe runs alongside the dorsal fin. Morphologically, any such discus differs from others within the presence of reddish dots on the body and fins, which seem in fish at the age of six months.

Sexual dimorphism will not be expressed. The average size of the green discus within the aquarium is 13 cm.

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Blue Discus (Symphysodon aequifasciatus)

The name displays the primary morphological distinction from different species – the presence on the perimeters of the body of vertical stripes of identical width and depth. These fishes are flocking fish.

For conserving Blue discus, an aquarium of 250 liters or more is advisable. It is necessary to strictly keep the optimum water parameters (temperature, acid ranges) and stop the buildup of nitrogen metabolism merchandise.

Discus of equal frequency lives within the basins of the Amazon and Rio Negro and like clear and clear water. The size reaches 15 cm. The head and mouth are small. The body is disc-shaped, there’s a wavy pattern on it.

The background coloration of the fish varies from brown-yellow to red. Horizontal stripes of blue or greenish coloration.

A large darkish stripe runs in a semicircle alongside the dorsal and anal fin. Body-color might differ relying on the situation of the fish. Distinguishing a feminine discus from a male is reasonably problematic.

There are a number of subspecies of Symphysodon aequifasciatus with an attribute coloration – brown and blue discus.

Determining the precise kind of discus in an aquarium is nearly inconceivable attributable to the truth that a few years of labor by breeders have led to the looks of numerous coloration variations. Sexual dimorphism in these fish will not be expressed.

Discus Fish Feeding

Do not be fooled by the discus fish’s placid and considerably harmless look. It can eat something that its comparatively tiny mouth can soak up.

That being mentioned, it most actually has a penchant for meat and protein, which implies that it likes to eat zooplankton, invertebrates, minuscule fish, water-based bugs, and worms.

Its consuming habits might be described as lazy because it eats at a reasonably gradual tempo by meandering by its habitat and trying to find the proper deal with it.

Ultimately, the discus fish scavenge for smaller parts the entire day and eat from time to time as a substitute for getting a sizeable quantity of meals on a single occasion.

This is as a result of the character of their our bodies doesn’t permit them to have sizeable quantities and having loads of meals collectively can show to be detrimental to their health.

Sometimes, wild discus consumes aquatic vegetation however, when domesticated, will most likely not accomplish that.

If one wishes to maintain these creatures as a pet, it’s crucial {that a} high protein diet is maintained and that they don’t seem to be continuously fed off-the-shelf fish flakes, which may show to be detrimental to their health.

It is necessary to feed the discus not less than 2-Three occasions a day in such a quantity that may be eaten by fish in a couple of minutes. It is advisable to take away uneaten meals residues from the aquarium utilizing a siphon.

Discus Fish Care

They require a higher level of upkeep in comparison with different fish. They require a tank with a big space. Clean water is an absolute necessity for the discus fish to outlive. The water must be stable for this fish to be comfy with its environment.

The discus fish will not be for newbie aquarists. It requires a stable surrounding and high upkeep.

It will not be too aggressive and matches properly with most different fish. It might be added to a tank with different fish without a lot of bother as long as the opposite fish require the same circumstances.

However, it must refrain from fish that are aggressive. Fish such because the Oscar and those who nip fins will not be suitable with the discus fish.

Discus Fish Breeding

Discus are very loyal creatures and have a tendency to procreate with solely a single partner all through their life.

What is fascinating is that they choose a site the place they really feel it’s protected to breed and the feminine proceeds to put anyplace between 100 to 500 eggs.

Then, the male proceeds to fertilize the eggs, and each parent takes care of the eggs till they hatch.

Even after their offspring are born, the discus fish fiercely shield their kids and even permit their younglings to feed off them by releasing a transparent serum which the younglings can eat to maintain themselves.

When it involves domesticated discus, you will need to do not forget that breeding is barely possible in a comparatively deep setting. A discus couple is not going to spawn in an aquarium that’s too shallow.

They additionally must be given heat surroundings, so the temperature must be given particular consideration. The pH worth of the water additionally must be maintained at around 6.5 to get one of the best outcomes.

When contemplating diet, a high quantity of protein must be given to the breeding fish. That being mentioned, you will need to preserve switching the meals merchandise itself that’s being offered to the breeding discus.

As suggested beforehand, the discus fish need an acceptable area to procreate and lay eggs. Something like a clay pot positioned the wrong way up within the aquarium will create an acceptable area for these fish to put eggs and proceed with their fertilization.

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Discus Tank Mates

The major drawback within the number of tank mates for discus is the water parameters, particularly temperature. Very few fish are comfy at a water temperature of about 30° C.

It can also be necessary to take into consideration the truth that discus fish are extraordinarily gradual fish, and when saved with very lively kinfolk, they will stay without meals. Most aquarists agree that conserving discus is finest in a species aquarium in a flock of 6 people.

Due to numerous coloration choice types of discus, even when they’re alone, you may create a wonderful coloration range within the aquarium.

It often lives in teams or, reasonably, faculties. What’s more, is that these teams stay like a correct society and display a correct social construction.

The social construction is exemplified by the truth that bullying inside this social construction exists. So a lot in order that it even results in the death of some fish.

Generally, the temperament of those fish is sort of contained until the area of their partner or offspring is invaded by which case, they will change into fairly aggressive.

Discus fish can get alongside properly with Neon tetras, Rummy nostril tetra, Ember tetra, Gourami Fish, Bolivian Ram, Pencil fish, clown loach, Apistogramma, Cory cats, and, on sure events, angelfish if neither of the 2 is breeding or spawning.


Flicking (scratching and clamped fins)is likely one of the more distinguished illnesses that these fish face.

The onset of this illness is indicated through the fish’s behavior with skin-related discomfort and itching themselves towards no matter arduous floor they discover.

Another illness that this fish is vulnerable to is fin rot attributable to a bacterial infection, which ends up in the degeneration of scales and pores and skin across the fins of the fish, finally exposing their bony construction.

The bacterial infection can even present itself within the type of pores and skin abrasion, sores, and spots. This results in excessive discomfort throughout the fish, which causes a lack of urge for food. This can even result in the death of the fish.

The fish can also be vulnerable to the cloudy eye, which manifests within the type of a cotton eye, harming the vision of the fish and finally resulting in blindness.

A blind discus fish will typically go into despair, cease consuming, and die.

All of the above illnesses are principally attributable to contaminated water and, subsequently, might be handled as a radical substitute of the tank water together with cleansing the aquarium.

The illnesses are additionally attributable to an imbalance within the pH level, so particular consideration must be paid to it. Read more about spotted-gar-care.

One Reply to “Discus Fish – Care | Types | Tank | Eggs | Aquarium | Food | Size”

  1. There is a lot of things to learn before choosing to take care of Discus fish. Discus fish is quite difficult to look after most specially during mating. Thank you for writing such an informative article.

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