Dolphin blue fish


Handsome sky color

The blue dolphin is a beautiful aquarium from the cichle family, common in Africa. The dolphin was first discovered in the lakes of Malawi and Malombe, and introduced to Europe in 1968. The dolphin blue is the most popular type of all freshwater Malawian cichlids due to its amazing color and ease of breeding. This fish can also be found under the names "zirtokara muri" or "haplochromis muri".

External description

The blue dolphin has external features similar to a mammal dolphin: blue or blue body color with black specks, bulging forehead with fatty growth, protruding mouth and large lips. The head of the fish is large, the eyes are mobile. The dorsal fin is very long, starting at the head and ending at the base of the tail. The tail fin is two-bladed, the pectoral and abdominal fins are short and thin. In size the dolphin reaches up to 25 cm.

The dolphin has an elongated and compressed body, in the center of which and on the tail is located on a large dark spot, and on the sides are black transverse stripes. During conflicts, the color of the fish increases, becoming bright blue, and the throat and fins are almost black.

Males dolphins are larger in size and brighter, tail fins are blue, with age the forehead becomes yellowish. A clear distinctive feature of the male are characteristic vertical stripes in the amount of 4-8 pieces. During the spawning period, the male's forehead significantly yellows and the bands on the body intensify their tone. In females, instead of stripes, there are several spots, and the tail fins are covered with red dots.

Usually dolphins live up to 15 years.

Care in the aquarium

Blue dolphins are quite peaceful creatures, prefer to keep a bunch of 3-4 fish. For the optimal number of them in the aquarium, a combination of one male and at least three females will do. The maintenance of dolphins in an aquarium does not represent special efforts, especially for experienced aquarists, in the presence of a capacity of 200 liters and a beginner can handle it.

The fishes are territorial and like a large open space for swimming, they keep on all layers of water. The main aquarium water parameters: temperature 24-26 ° C, acidity 7-9, hardness 10-17 °. Mandatory filtering, intensive aeration, the replacement of a third of water weekly. Lighting can be bright.

The soil is desirable sandy or small pebbles, plants need hard-leaved with a strong root system or in pots. Such aquarium plants are well suited: valisneria, cryptocoryne, anubias. Ferns can be strengthened on the stones, and the leaves of the limnofila will serve as additional feeding for the fish.

Numerous shelters are needed for fish in the form of grottoes, snags, caves, crevices. To recreate the most similar habitat, you can arrange an aquarium with rocky terrain and buildings of stones laid on each other.

Blue dolphins feed on any kind of high-quality live food. It is best suited to feed with a high content of protein: earthworms, live or thawed shrimp, pieces of beef heart or liver, bloodworms, core. From plant foods suitable dandelion, spinach, lettuce and nettle.


At the age of 1.5-3 years old, the fish reach sexual maturity and breed, as a rule, in pairs and separately from other fish. During the spawning period, the male becomes aggressive, and the female more timid. Games during spawning between the female and the male occur in an amusing way, they gently rub their foreheads together.

Aquarium dolphins have an individual peculiarity to carry eggs in the mouth. First, the female spawn eggs in small portions on a flat surface or in a hole dug by the male. Then she picks up the eggs in the mouth, and the male fertilizes them. It is necessary to isolate the female from stress as much as possible, otherwise there is a risk of ingestion of her offspring.

The total period of gestation and hatching of fry is 3 weeks, during which the female does not feed. With age, females increase productivity up to 90 eggs. Fry feed on Nauplii Artemia, Cyclops, nematodes and other microorganisms.

Bearing fry in the general aquarium is fraught with swallowing them by the female, therefore it is better to arrange for them to be kept in a separate artificial incubator. For this purpose aquarium suitable for 10-15 liters with aeration and water from a common aquarium. The temperature is raised to 27-28 ° C and methylene blue is added to water. If the eggs become white, this means that they have lost their vitality and need to be removed from the aquarium with a pipette. Transplantation to parents can be carried out at the age of 3-4 months.

Blue dolphins are able to reproduce until the age of 7-8 years. It should be borne in mind that a dolphin can interbreed with livingstone's haplochromis and leopard. Hybrids have a gray-brown color with bluish stripes.


The cichlid blue dolphin is by nature calm and peaceful, even shy. The best option will be its content in the species aquarium, where the dolphin will fully manifest its special habits and will feel free.

In the general aquarium, successful compatibility will be with non-aggressive representatives of cichlids, like aulonocara or other Malawian fishes, and in color it contrasts beautifully with the yellow labidochromis.

Of the other species, dolphins have good compatibility with barbs, catfish, and labyrinths.


Blue dolphins are very smart aquarium fish, besides caring parents. Their behavior is distinguished by the degree and grace of movements or games in the form of catch-ups. It is interesting to observe the actions of males who want to attract the attention of females: they spread their fins and demonstrate their swimming capabilities. Dolphins are able to recognize the owner, their eyes radiate confidence and seem to be smiling.

Under natural conditions, the dolphin tries to hold on to large fish, digging the ground, from where it gets its food. But this does not mean that the dolphin leads a parasitic lifestyle, as it actively protects its breadwinner and does not harm it at all.

When creating certain conditions, the dolphin blue is prone to hermaphroditism.

Blue dolphins in nature are not fussy and measured in movement. They represent a rare case of a combination of visual appeal, intellectual development, longevity and simple content in an aquarium.

Blue Dolphin - Aquarium Fish

One of the most common aquarium fish, a representative of the cichlid family - the blue dolphin (Cyrtocara moorii) - has become popular with aquarists due to its unique appearance and quite livable character. Like most cichlids, the aquarium dolphin comes from the African Malawi waters.

This representative of the Tsikhlovykh was described for the first time in 1902, and it became widespread in Europe only in 1968. A little later, a handsome blue man appeared in Soviet household waters. Why this fish got its name, how to properly maintain a Malawian pet and provide him competent care, we learn further.

Why is the blue dolphin so called?

As noted above, the blue dolphin hails from hot Africa, more precisely from Lake Malawi, where it reaches a size of 20-25 cm.

In the domestic water body, the parameters of the fish largely depend on the size of the tank, varying within 8-20 cm.

This cichlid dolphin is called due to its external similarity with a marine mammal.

At the beginning of life, the pet does not particularly resemble a dolphin, but with age, Cyrtocara moorii on the forehead of a rather large head forms a kind of fat cushion that makes the fish look like a famous sea animal. Big eyes under a convex forehead are mobile, large lips protrude.

In general, the aquarium dolphin is a very attractive fish externally: on the gray-blue with a silver tint body of young individuals on the sides are transverse stripes and two spots of dark shade.

The adult fish becomes light blue, but the spots sometimes remain. During mating games, the dominant male group in a state of intense excitement becomes saturated with a dark blue hue. In addition, during this period, the male's forehead becomes yellow, and several transverse bands appear on the body.


Like other pets from the cichlid family, the blue dolphin feels best in a spacious tank (from 200 liters) with a large fraction of sand, planted with watery plants with a strong root system.

Pets feel comfortable with:

  • bright enough light;
  • variation of the temperature parameter of water in the range of 22-30 ° C;
  • weekly water change at 1/3 (better if it is passed through a biological filter);
  • water pH-parameter in the alkaline;
  • active aeration of water.

The blue aquarium dolphin needs space for swimming, where it is equipped with many different shelters in the form of:

  • grottoes;
  • caves
  • bizarre-looking snags;
  • stones.

In the home tank, the fish most often lives in its middle or bottom part. It is better if the blue beauties will be placed in a specific aquarium, as they are rather shy. The optimal number of individuals of this species in a single tank is 8-12, in such a group they look attractive, and they have enough living space.

In the group, females quantitatively dominate, but one of the males prevails in it. During puberty, in the process of struggle for supremacy in a flock, a leader stands out from among them, who becomes the dominant male of the group.


The successful breeding of dolphins in a home aquarium by 90% is due to the good health of the producers themselves.

In addition, a lot of it depends on proper feeding of fish. In the diet of pets should be alternated with different feed, apply high-quality oligochaeta (Tueifex).

Ready-to-spawn males become agitated, aggression towards other males appears in their behavior. They change the color of the fat pad to a yellow tint, transverse stripes appear on their body in dark blue. It is noteworthy that with each subsequent spawning the pillow above the male's forehead becomes larger and larger.

In the female, readiness for spawning is manifested by a general clarification of the body color and a noticeable swelling of the anal area.

Both future parents of the family on the eve of spawning, showing noticeable excitement, jointly search for a suitable spawning site. The plot chosen by them is jointly cleared, and here the love games begin, and then the caviar is deposited in the amount of 3-8 pieces for one effort.

Eggs are poured with male sperm, after which the female puts them in her mouth. The whole process is repeated several times with an interval of 25 seconds, and by the end of spawning, 4-5 minutes. The total spawning time is approximately one hour.

A pair during this time period can set aside from 70 to 120 fertilized eggs, of which, under a happy set of circumstances, 40-60 fry of the blue dolphin will appear.

Care for offspring

The incubation of the fry, lasting 16-25 days, in Cyrtocara moorii occurs in the mouth of the female. And the main concern of the aquarist begins at the hatching stage of fry:

  1. First of all, it is necessary to take care of sufficient water conditioning of the artificial reservoir through filters to ensure its chemical and hydrological balance.
  2. Separate care - feeding fry: regular, balanced, varied. At first, Artemia, crustaceans with abraded feed additives like Tetra Phyll, washed tubule with vitamin A, D, E, K additives will fit
Errors in feeding the fry and juvenile dolphins are often fatal and lead to their death. Also, the rapid death of the offspring of this fish may be due to a decrease in t ° C in the tank to 20 ° C and below.

Blue beauties are growing up at a speed of 8-10 mm per month, simultaneously increasing body weight. With the ideal content of dolphin fry, their early puberty occurs and, as a result, forced spawning at the age of 8-10 months.

Of course, this phenomenon should be considered as anomalous, leading to the appearance of weak offspring, most of which die. A stable breeding result with a strong, viable offspring is possible in individuals of Cyrtocara moorii one-year-and-a-half-year-old. The ability to reproduce this cichlid retains up to the age of 7-8 years.

Behavior and compatibility with its other inhabitants

These extraordinarily beautiful cichlids can be described as very clever pets and also wonderful parents. In ordinary life, they are sedate, uncluttered, and when the hour of fun and games comes, they can move at the same time swiftly and gracefully.

Dolphins show themselves in all their glory before the females: having straightened the fins, they show their swimming prowess.

These pets have an affection for the owner and are able to recognize him, animating each time he approaches an artificial reservoir.

Cichlid dolphin is inherently peaceful, calm, so it feels best in a water reservoir. If it is necessary to combine with other species, the most suitable neighborhood will be with non-aggressive cichlids, such as aulonocara, or other Malawian fish.

To ensure the external beauty of the reservoir, it is possible to settle with a dolphin of a contrast labidochromis. The neighborhood of Cyrtocara moorii with:

  • barbs;
  • soms;
  • labyrinth pets.

Make a conclusion: breeding and caring for a handsome blue man from Malawi is time consuming, requiring diligence and skill, but isn't the result worth it? Make an effort to master the necessary skills and experience, and the result - blue dolphins in your tank - will delight you for many years.

Aquarian blue dolphin: the secrets of the content of the fish

In 1902 an endemic of unusual color and shape was seen in Boulanger. It turned out that this fish has a great distribution in local lake waters. Most of them live at a depth of 3 to 15. It turned out that the beautiful inhabitants of the lakes are predators, but this did not prevent exotic lovers from starting to breed them in the aquarium.

Cyrtocara moorii, also known as the blue dolphin, belongs to the family of African cichlids that inhabit the waters of Malawi. This fish is very popular among aquarists, as it has an unusual neon shade and a noticeable fat bump. Aquarium dolphin can not be called a small fish, the smallest individuals reach 25 centimeters in length. They are pretty cute neighbors, one male gets on well with three - four females. During spawning, they may show aggression towards other representatives, but at other times they will not be accused of a cocky character.


It is easy to keep dolphins, so if an inexperienced aquarist wants to have a large aquarium, these fish are perfect for him. For such large fish, a spacious aquarium is needed, where you can freely swim and hide. As a decor it is best to use sandy soil and imitation of gorges and stones.

Aquarium dolphins have an elongated body with a head similar to an ordinary dolphin. It is because of this structure of the skull and the presence of fat cones - they got that name. If you look at the photos of one and the other, then you can see striking similarities. The size of fish in captivity of 25 centimeters. The life of the order of 10 years.

The greatest difficulty in the content is the purity of the water. Blue dolphins are very picky about the cleanliness of the aquarium, its size and neighbors. To maintain microflora it is necessary to constantly update the water.

As in nature, so in the aquarium these fish are omnivorous. Therefore, the choice of feed depends on the capabilities of the owner. Blue dolphin happy to eat frozen, live, vegetable and artificial feed. However, it is better to give preference to feeds with a higher content of proteins (artemia or tubule). These fish will not give up on other small fish. But this method of feeding is risky, as it is not always possible to check the health of the young. Many novice aquarists are trying to feed aquarium predators with minced meat or finely chopped meat. It is absolutely impossible to do this, because the organism of the fish does not provide enzymes for digesting such heavy food, and, therefore, can lead to obesity and atrophy.

Conditions of keeping aquarium dolphins:

  • The volume of the aquarium of 300 liters;
  • Clean and stable water;
  • Stiffness from 7.3 - 8.9pH;
  • Alkalinity 10 - 18dGH;
  • The temperature is about 26 degrees.

As you can see, these fish prefer very hard water. In order to tighten the water, use coral chips. There is an opinion that aquarium fish living in soft water, lose sight. But confirmation of this has not yet been found.

To design the place of residence of dolphins is best to use sand. So, you will be able to watch how funny specks in it dig. They do not need plants. You can plant a small bush, but the blue dolphin will either eat the alga, or dig it up. You can create a unique design, using different snags and shelters, which dolphins will love. Due to the large size and original color of the fish, you can create real masterpieces, photos of which are so common on the Internet.

Совместимость и разведение

Несмотря на миролюбивый характер, голубой дельфин способен уживаться далеко не со всеми рыбами. Они оценят соседство только с равными себе по размеру и характеру. Те, которые будут уступать им в габаритах, обязательно будут съедены, вне зависимости от юркости и количества укрытий. Активных и драчливых соседей все-таки нужно избегать, так им совсем не подходят мбуны.

Ideal neighbors:

  • Frontose;
  • African soma;
  • Other cyclides of equal size;
  • Large residents of Malawi lakes.

It is almost impossible to distinguish a male from a female. It is believed that the male is slightly larger and brighter, but these signs are not subjective. They can not be "tried on" all the fish, so looking at the photo of the fish to determine its gender is not realistic.

For breeding, blue dolphins are perfect. They form a polygamous family, with one male and 3-6 females. Since it is impossible to determine the sex, 10 fry are bought for breeding and are raised together. By the time the fish reaches 12-14 centimeters, they are seated in families.

For laying male picks the perfect place. As it can serve as a smooth stone at the bottom, or a small dimple in the ground. The female spawns there, and the male fertilizes her. After that, the female takes her and breeds for a couple of weeks. If the temperature is below 26 degrees, the incubation period can take up to three weeks. To protect the fry, the female takes them into her mouth, "walking" at night, while all the aquarium inhabitants are asleep. Naupilii Artemia is considered an ideal feed for young.

Cichlids dolphin blue-description content spawning feeding video.

Description Blue Dolphin (Cyrtocara moorii)

Blue dolphin - one of the most beautiful cichlids living in African lake Malawi. This cool, big-eyed and big-lipped brightly colored fish cannot be confused with any other. The lake is sandy, so the aquarium should be decorated in a rocky-sandy style.
Contain Dolphins in groups where the number of females is higher than males. Males are very territorial, they easily fight each other. In general, these cichlids are peaceful, get along well with other non-aggressive Malawians.
For a pair of Dolphins need a spacious aquarium with a capacity of at least 100 liters, a group of fish - more than 200.

It is better if the aquarium is extended in length (and it is not less than a meter). Put a thick layer of sand on the bottom. In nature, these fish feed on small crustaceans, which they seek out in sandy soil. In aquarium conditions, they are happy to eat ice cream and live moths, dry balanced feed, boiled shrimp, squid (naturally chopped).
The optimum water temperature for zirtocar content is 25-27 ℃, hardness 8-12 °, pH 7.5-8.5. Mandatory filtering, aeration and weekly water change per quarter volume.
In aquariums of large volumes, Dolphins can reach their maximum sizes, namely males - 20 cm, females a little less - about 17-18 cm. The main difference between males and females in adulthood is the presence of fatty growth on the head. At a young age, it is almost impossible to distinguish a male from a female, so it is often necessary to acquire them at random.
Juvenile Dolphins are painted in silver-blue color, on the sides there are dark transverse stripes. In the center of the body and at the base of the tail are large dark spots. In adult fish, the color is velvety blue, including all fins.
At 9–10 months of age, puberty occurs in the cirtocar, after which the fish are able to produce offspring. During the spawning period, the fatty growth on the head of the Dolphin becomes yellowish. Breed these cichlids can up to 8 years.
When maintained in favorable conditions, Blue Dolphins live for up to 15 years.


Blue Dolphin - content.

Scientific name: Cirtokar Muri (Latin Cyrtocara moorii).

Popular names: Tsikhlida Blue Dolphin (Blue Dolphin Cichlid), Tsikhlida Humpback Forehead (Hump Head Cichlid), etc.

Care requirements: taking care of fish is easy, because they can adapt to water parameters.

The size: up to 20cm.


  • DH level: 10-18
  • PH level: 7,2-8,8
  • t0: 24-260C (75-790F)

Lifespan: 7-10 years.

Habitat: Africa. Blue Dolphins cichlids live in Lake Malawi at a depth of 3 to 15 meters above the sandy bottom.

Behavior: this is one of the peace-loving cichlids, but still it is better not to keep them in the general aquarium. Blue Dolphins feel fine with similar sized fish. In large aquariums, they can live with other cichlids from Lake Malawi, but it is better to avoid mbuna (mbuna very restless and aggressive). They can be kept with Voile Synodontis and African catfish. Blue Dolphins may fight or chase smaller fish, and during spawning they will become aggressive.



In nature, they are omnivorous predators that feed on a variety of benthos. In the aquarium, they eat all kinds of food - artificial, live, frozen, vegetable. But, the basis should be high-protein feed, such as a tubule or artemia.

Also, blue dolphins eat small fish, but you can feed them only if you are sure that the fish do not get sick and will not get you an infection. As for the popular feeding with a variety of minced meat or meat of mammals (liver, heart, etc.), at this time the fish organism is considered unable to properly digest such meat. Long-term feeding can lead to obesity and dystrophy of the internal organs, so it is better to avoid it.

Gender differences: An eruption on the forehead develops with age in both males and females. Most often males are bigger and brighter. The easiest way to distinguish a male from a female is by characteristic vertical stripes, the number of which varies from 4 to 7, and the female may have a pair of spots on the body instead of stripes. Also, males have blue tail fins, while females have reddish dots. With age, males forehead acquires a yellowish tint.

Breeding: Puberty fish reach the age of about three years. Blue dolphins tend to breed in the absence of other types of aquarium fish in the aquarium. This species of fish bears fertilized eggs in the mouth. Young females are carrying 15 to 25 eggs, and adults can be about 80. The breeding of these fish is similar to other eggs that spawn in the mouth.





Blue Dolphin Aquarium Fish

The habitat of the blue dolphin - aquarium fish from the cichlid family - is a shallow African sandy lake Malawi. Blue dolphins were brought to Europe in the middle of the last century. This fish was named so due to the external similarity of its head and mouth with a real dolphin.

Blue Dolphin Appearance

The body of the cichlid blue dolphin is tall, elongated and flattened at the sides. The fish has a large head, thick lips and big eyes. The ventral and pectoral fins are short and the dorsal fins are long. An adult male has a large fatty growth on his forehead.

Coloring of young individuals differs from adults. For young people, it is silver-blue, with dark stripes on the sides. Adult blue dolphins have a beautiful velvety blue color. During the spawning period, the male's forehead becomes yellow, and dark blue stripes appear on the sides. In fry the anal fin has a yellow-orange color, but after a few months the color disappears. In the aquarium, the blue dolphin can live long enough - up to 15 years.

Blue Dolphin conditions

Blue dolphin - peace-loving fish and even a little shy. Keeps most of the middle and lower layers of the aquarium. Since the blue dolphin is a territorial aquarium fish, the best option is to keep it in a species aquarium in which the ratio is observed for 1 male - 2 females or 2 males - 3 females.

Keeping a blue dolphin is not at all difficult, even for an inexperienced aquarist. Pond for these fish should be 150 liters or more. You can decorate it with a variety of shelters: snags, grottoes, stone structures. Plants in the aquarium should have hard leaves and good roots, as otherwise dolphins will pull the plants out of the ground. You can plant aquarium plants in pots. The soil is better to fall asleep sandy or pebble. In the aquarium should be enough free space for swimming fish.

The aquarium water temperature for keeping a blue dolphin should be between 24-28 ° C. The optimum water hardness is 5–20 °, and the pH is between 7.2 and 8.5. Aquarium should be provided with good filtration and aeration. The water in the tank should be changed once a week to 40% of the total volume of the aquarium.

The cichlid blue dolphin is unpretentious in feeding: it can eat both live food (daphnia, artemia, bloodworms), and vegetable (spirulina) and various substitutes.

Breeding blue dolphin

By about a year and a half, the blue dolphin reaches puberty. Spawning of these fish doubles. For this, it is best to have a special spawn.

During spawning, the female becomes very shy, sometimes she can eat her offspring from fear. The male, by contrast, is very aggressive at this time. The female lays her eggs in the hole, which the male pulls out in advance, although she can spawn on a clean flat stone. The male impregnates the calf the female carries in the mouth for three weeks. At this time, she loses weight much, because she does not eat anything.

Approximately seven days after the fry hatched, they can already swim independently. and eat small cyclops. However, at night and in any danger, they hide in the mouth of a caring mother. Fry grow very slowly.

Blue dolphin - compatible with other fish

Although blue dolphins and peace-loving fish, it is best to keep them in a separate aquarium, because, like all cichlids, they can eat small-sized fish. However, if you want to settle them in a common reservoir, then they get along well with other Malawians, frontoses, barbs and African catfish, for example, with a veil synodontis.

Fish aquarium blue dolphins

The dolphin blue is an aquarium fish, which belongs to the family of cichlids (Cichlidae). It was introduced to Europe in 1968. Quite easily divorced at home, because for export is not relevant.

The fish got its name due to its similarity with the mammal dolphin. For the structure of the body is characterized by growth on the forehead. The head of the Dolphin is large, the body is compacted and slightly elongated.

Adults and young fish vary in color. Juveniles have a gray-blue color with silver coating and transverse dark stripes on the sides, while the adult representatives are painted in deep blue. When it comes to spawning time, the male's forehead turns yellow, and he acquires a darker color.

The size of the Dolphin in natural conditions can reach 25 cm; this figure in the aquarium is almost twice as small. There lives the aquarium fish Dolphin about 15 years; in food is quite unpretentious - fit both vegetable and live food, and substitutes. Under natural conditions, the fish feed exclusively on crustaceans.

Since the conditions for caring for the Blue Dolphin are extremely simple, it is an excellent choice for beginners.

The volume of the aquarium for fish should be large enough. The best option would be 200-250 liters. With respect to soil, preference should be given to sandy soils. If desired, you can put algae in the aquarium, but when choosing them it is worth remembering that if the root system is weak, then the fish can pull the plant out of the ground.

Aquarium fish Blue dolphins are quite peaceful. Therefore, it will not be difficult to keep them in a specific aquarium. Even with a periodic struggle for territory, individuals do not seriously damage each other.

Water temperature should be observed from 24 to 28 degrees. Filtration and water change are required.

To breed the Blue Dolphin is extremely simple. Spawning fish is always doubles, and at this time the water temperature in the aquarium should be from 25 to 28 degrees. Bears female eggs in the mouth for 21 days. During spawning, the male protects the territory, therefore it becomes aggressive, and the female, on the contrary, becomes fearful.

Moreover, when frightened, she is able to swallow offspring, because any stress to the expectant mother is absolutely contraindicated.

The self-laying calf lays caviar into a cavity prepared in advance by the male, or on a stone, after which the male impregnates it. The fry begin to swim approximately on the seventh day. For initial feed, babies are advised to choose a small cyclop.

Aquarium fish dolphin blue

Natalia A.

No, not compatible, dolphins are predators, everything in their mouths will be able to push through, they will eat, gold in the company is superfluous, they are cold-water. Dolphins are better to keep in a spacious species aquarium from 250 liters and more, the fish is stupid.


I have two dolphins, a little territorial and peace-loving fish, behaves well among barbs, cichlids, parrots and chromis. Calm and beautiful couple. I love these fish very much.
Dolphins are shy (even in the vicinity of African cichlids), therefore it is recommended to keep them in a species aquarium in the ratio of 1 male and 2 females
either 2 males and 3 females. Keep in the middle and lower layers of water.
Any novice aquarist can keep a dolphin in the presence of a spacious aquarium with a volume of 180-250 liters with sandy soil, numerous shelters (crevices and grottoes of stones) and free swimming. If you put plants in an aquarium, then you need to take only hard-leaved with a good root system or in pots. Water parameters for the correct content of the blue dolphin: hardness 5 -20 °, pH 7.2-8.5, temperature 24 - 28 ° C. A powerful filtration, aeration and weekly substitution of up to 30-50% of the volume of water is recommended.
The dolphin is blue in an aquarium to unpretentious food. Eats live, vegetable food and substitutes. In nature, it feeds on crustaceans.

blue dolphin fish