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Cardinals fish

maintenance, care, compatibility

Cardinals – aquarium fish that are almost gone

Cardinal (Latin Tanichthys alboneubes) is a beautiful, small and very popular aquarium fish that you probably know. But, you know, what are you …

Cardinal habitat in nature has changed significantly in recent years, and this has affected the number of fish. Wildlife has become parks, hotels and sanatoriums.

This led to the fact that the cardinal disappeared, and since 1980, for twenty years, there has not been a single message about the population. The species was even considered extinct in its homeland in China and Vietnam.

Fortunately, a small amount was found in isolated areas of Goundong Province, and on Hanyang Island in China, as well as in Quang Nin Province in Vietnam. But this species is still very rare, and is considered endangered in China. The Chinese government is taking measures to restore the cardinal population in nature.

All individuals of the cardinal, which are now sold – raised in captivity.

Cardinal fish content breeding description compatibility photo video.

Breeding cardinals who, being in the general aquarium, are constantly malnourished due to inactivity, require special conditions.

Therefore, in the spring, 10-15 days before the intended breeding, males and females are deposited in separate containers. Otsadniki, where fish are constantly fed small live food, can be three-liter jars filled with fresh settled water, which is periodically aerated. The water temperature is maintained at 22-23 ° C.

The cardinals nest consists of two females and one male. In order to avoid any accidents, two nests are prepared for spawning.

The readiness of the fish is determined by the female, whose abdomen acquires a noticeable roundness.

Spawning for one or two nests can serve as a low aquarium from 10 liters of water. The bottom of the vessel is covered with a layer of well-washed coarse-grained river sand, about 1/4 of the capacity is taken away under small-leaved plants, such as perististolemum, golodniknik or nitella.

cardinal fish photo

The Ludwigius planted in the ground, Indian fern, and hygrophil are quite suitable. It is preferable to make water for the spawning area from “old” and fresh (separated) water, mixing them in equal parts, but you can also use fresh water. The water temperature is not lower than the one in which the fish were prepared for spawning.

Its level is small – 20-25 cm. The lighting is moderate.

The fishes placed in the spawning grounds immediately become lively, and the males begin their courtship ritual – make elegant turns around the females. When water temperature is up to 25 ° C, fish liveliness increases.

Spawning can last for two days. During this time, one female sweeps up to 30 eggs.

If you need to get a second after the first spawning, and they can be up to ten with 8-12 days breaks, the producers are again seated in different containers and heavily fed with live food. Stopping breeding, the fish are placed in a common aquarium with the usual feed and temperature regimes.

Incubation of caviar lasts from 30 to 50 hours depending on the temperature of the water, which should not be subject to significant fluctuations.

Cardinals’ larvae are so small that they are barely visible with the naked eye. The larval period, when these crumbs hang motionless on a particular substrate, lasts up to 2 days.

p> The fledged cardinal fry are fed without departing from table 2, but because of their small size, feeding with infusoria or other starting food is somewhat lengthened. The small size of cardinals, the peculiarity not to destroy their eggs and offspring, even in the larval stage, as if by nature itself predetermined their content in the aquarium separately from other fish. In the 15-20-liter capacity, you can create a miniature copy of the natural reservoir, observing all stages of life of these fish, without disturbing them with transplants to prepare for spawning and spawning.

The device of a specific aquarium for cardinals (it will also be a breeding ground for 3-4 nests of these fish) provides for the presence of sand and a small number of plants on the bottom. The only difference between such an aquarium and an ordinary breeding ground is that the water in it ages, acquiring an amber-yellow color, and therefore 1/5 of it should be replaced with fresh water every week.

Normally feeding, even with surrogate foods or dry feed, the fish, being in optimal temperature conditions for breeding, are occasionally ready for spawning without special training. This makes it possible to observe the “tournament battles” of the males and see their courtship for the females.

With hasty movements with flowing fins, males hover around females, periodically bouncing off to the side, rushing into the midst of plants, as if inviting them to follow them. When the efforts of the males bring success, the fish hide in the thickets of plants, where the spawning takes place.

cardinal fish photo

Before the eyes go through all the stages of life of a miniature fairy underwater world. A hank of caviar lasts not 2-3 days, as during normal spawning, but about a month, since every day a female spawns only 2-3 eggs.

Rest after such spawning lasts about a week or more. After this, the normal life cycle begins.

The fry that have appeared in 3-4 days from the moment of spawning begin to feed, as usual, with small living “dust” or artificially grown culture of ciliates. Since, in contrast to the temporary spawning grounds, there are always a small number of ciliates and other aquatic organisms in a lived-in aquarium, feeding newborns in the first period of their life becomes easier – in one way or another, they find food.

If day by day the number of fry increases, then without adding starter feed is not enough.

cardinal fish photo

True, there may be a slight increase in the number of ciliates directly in the aquarium, if you provide them with food. For this, a thin slice of carrot or a small piece (1 sq. Cm) of banana peel is suspended on a stainless wire in the uppermost layer of water.

Getting wet and decomposing slowly (if there is aged water in the aquarium, but you should be afraid that it will deteriorate), they are a good environment for bacteria, and those, in turn, will contribute to an increase in the number of ciliates. After the first portion of the feed for the ciliates is completely decomposed, it will disintegrate, you can hang a new one.

The first fry, attracted by the abundance of small food in a certain place, remain there until this food ceases to satisfy them. In place of the grown-up fry (they go in search of a larger feed) come more and more new generations in need of an initial feed.

You can continue feeding juvenile cardinals on any surrogate feed, not excluding dry feed. Growth rate of fry naturally slows down.

And yet the fish eventually reach good size and full development, which allows you to get offspring from them.

Cardinal Fish video


The Cardinal is a miniature and colorful fish that has long been chosen by aquarists. She emphasizes the diversity of the underwater world, its quirkiness and amazingness.

Interesting fact, the cardinals are found only in one place – in southern China. They are found in mountain rivers with a strong current, as well as in small rivers.

Cardinal – a unique aquarium fish. The fact is that the cardinal has a very narrow habitat. His homelands are fast mountain streams in South China.

Since the 30s of the last century, the fish began to enjoy a certain popularity among fans of exotic aquarium inhabitants.

Fish are distinguished by absolute harmlessness, so that they can coexist with almost all aquarium inhabitants. It is necessary, however, to take into account that individual fish can harm the cardinals, so the neighbors should be chosen carefully. Often, aquarium cardinals are found together with freshwater shrimp.

But absolutely any kind of peaceful fish will be good neighbors: it can be neons, guppies, tetras, pecilia, and many, many others.

The content of cardinals in a large aquarium, which is rather densely planted with various aquatic plants with small leaves, is recommended. It is important that the fish have enough free space for swimming at the front glass of the aquarium. Aquarium capacity sufficient for cardinals is 30 liters.

The aquarium should be oblong (at least 60 cm long), so it’s not long to think about the shape. It is recommended to close the aquarium cover.

At the bottom of the aquarium, you can sprinkle small pebbles.

Considered aquarium fish is very demanding of cleanliness. For this reason, it is necessary to ensure a one-third daily water refreshment.

In addition, you need to place the aquarium in a place that has sufficient lighting. Water should have a temperature in the range of 17-24 degrees, while its acidity should be 6.2-8.2, and the hardness – 4-20 degrees.

When feeding, cardinals are good to live food, combined and dry. Feed should be about 3-4 times a day.

The cardinal is divorced quite simply, and there is more than one way to do this.

The first method is natural reproduction. This breeding is quite successful and in the general aquarium.

Consider that in such a case you should install a separator net at the bottom of the aquarium.

So, to create all the necessary conditions should:

  • to provide such a number of fish that the males were twice as large;
  • raise the water temperature by two to three degrees;
  • keep all other parameters unchanged.

Breeding usually lasts about 3-4 weeks, during which the female spawns some eggs daily.

Do not worry about the caviar, because the producers do not eat it. However, the very young, as it grows up, should be filtered, since the probability of cannibalism among the fry is not excluded.

However, there is a second way. Such breeding involves controlling spawning.

So, it is necessary for a week (or even 10 days) before spawning to plant males and females. Then put them in spawning, where the female will immediately sweep about 30 eggs.

After that, manufacturers should again sit down (for another 7-10 days). Finally, repeat the dilution again.

The second method, as we see, allows for breeding and, without unnecessary trouble, to watch the young grow up.

In any case, the duration of the incubation period is about 1-2 days, and in another three to four days you can see already swimming fry that feed themselves. For a start, they can be given live dust and ciliates as food.

These are the basic rules to ensure the correct content of the cardinals, as well as their breeding. Note that the cardinal does not cause great difficulties, for which many aquarists like it.

Aquarium fish cardinal – one of the most striking, eye-catching and beautiful. Contrary to expectations, it is not purple, like the capers of real cardinals.

The article tells about it, about how to maintain it, what to feed, what to do at the time of spawning.


The cardinal fish was brought to Europe from China in 1938. In nature, this representative of the carp prefers to dwell in mountain streams.

At the same time, the cardinal fish quickly got used to the aquarium content.

It has an extremely bright body color, beautiful fins. Males are somewhat different from females, as they look slimmer and brighter. Usually the cardinal fish has a slightly elongated body with bright longitudinal stripes.

The color of some species of these aquarium inhabitants has a flickering effect.

Aquarium fish, the cardinal liked European aquarists so much that very soon all kinds of species were bred. For example, the Banggai Cardinal Fish resembles a scalar in some way, while the cardinal (Tanichthys albonubes Lin Shuyen) resembles a hairy goldfish.

Content in an aquarium

These representatives of carp do not need special conditions, so it will not be difficult to maintain them. But it is worth remembering that they are accustomed to live in a flock, because in the aquarium you need to keep at least four individuals.

In this case, you can add cardinals in the aquarium to other fish.

Cardinals behave peacefully and friendly, do not interfere with other fish. But still it will be easier for them to get along with their neighbors, who also have a calm temperament.

Cardinal prefers to have a large space. Usually the fish is kept in the middle and upper layers of water.

It is not necessary to heat the water in the capacity for cardinals, but you need to make sure that the water temperature does not fall below 10 degrees.

A cardinal is a fish, the content of which does not cause any particular trouble to its owner even during the breeding season. She is not picky about food and is resistant to disease.

Although aware of some of the features of care and pay attention to her aquarist still obliged.

Breeding cardinals

During the mating season, the males become brighter and begin to fight for the attention of the females. But do not worry, as this struggle is harmless and does not cause much harm to the fish.

For a person with experience, it will not be a difficult task to breed cardinals. This will require a spacious spawning plant, planted with plants, which should be located in a place protected from sunlight.

In order to speed up the process, you can reduce the usual water temperature by a few degrees. Typically, the water temperature in the spawning should reach 22 degrees.

Before spawning, you need to feed the male and the female well. For nutrition should choose natural feed.

To make the fish feel more comfortable, you should install a filter.

Females usually lay about 300 eggs on the leaves of aquarium plants. After a few days, the larvae appear from them. Feed the little cardinals worth rotifers or ciliates.

In this case, the parents will not touch their fry, so you can not rush to move them out of the spawning.

Cardinals are great aquarium fish that will bring little hassle, but at the same time will please their owners.

Cardinals live in small schools in flocks, so in the aquarium it is best to keep more than 5 individuals. Puberty in them occurs after reaching 4 months, it can be determined by the disappearance of the longitudinal flickering strip along the body.

The cardinal is a fish (there is a photo in the article), the care of which does not take a lot of trouble for the owners. For 5 individuals, there is enough a rectangular aquarium with a volume of about 15 liters. For soil, it is best to choose river sand or pebbles. To the bottom of the aquarium was well lit, you should not plant algae too thick, it is better to additionally let floating plants on the surface.

As an underwater flora fit fern, lyudwigiya, elodeya.

Peaceful nature and small size allow the cardinals to coexist peacefully in the same aquarium with other fish. They get along very well with neons and danios.

But the angelfish, lyalius and gurus because of the calm nature can not normally exist with high-speed cardinals.

The aquarium, which contains cardinals, should be placed close to natural light sources, but fish should be protected from direct sunlight. In winter, pay more attention to artificial lighting.

Organize a good filtration system and aeration, and do not forget to change the third part of the water once a week.

As practice suggests, the best food to buy live, then the color of the fish will be much brighter. Well fit pipemaker, koretra, daphnia and bloodworm.

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