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Cardinal fish

maintenance, care, compatibility

Cardinal fish: content, compatibility, photo-video review

Thanks to its compact size, even in a small aquarium, you can make a flock of naughty and mobile fish. The cardinals are adapted to the gregarious way of life. Aquarists say that their behavior is very interesting to observe.

The great advantage for keeping fish in domestic aquariums is their peace-loving nature. Ideal neighbors for cardinals:

  • Guppy;
  • Danio;
  • Ternesia;
  • Red neons;
  • Rodostomusy and others

But do not forget that overcrowding aquarium will have a bad effect on the content. So, for a small group of 6-8 fish should be at least 15-20 liters of water. Designers are often used in the premises of low, long aquariums.

It is very beautiful and fits well into any interior. Cardinals have enough fish in water for 25 centimeters, so in China they inhabit shallow rivers. To aquarium fish feel great, you need to take care of the correct, close to the natural range,

In the aquarium must have:

  • Ground;
  • Plants;
  • Shelters;
  • Some pebbles;
  • Compressor for aeration;
  • Purification systems.

Soil is best used

vat sterilized river sand. If you can’t find it, you can use smooth small pebbles lined with a small layer on the bottom of the aquarium. Plants that are actively growing need to be periodically cleaned, since for a freedom-loving fish, limiting space is the right way to the blues.

It is better to place the algae near the back wall, leaving the cardinals a place to frolic, and you can easily watch their fun.

Water requirements:

  • The optimum temperature is 20 degrees;
  • Acidity from 6.6 to 7.6pH;
  • Stiffness from 4 to 20 degrees;
  • Frequent change ¼ of the water.

The content of the cardinals is not difficult. But, if you want to observe in your aquatic world adorable individuals who will look great and behave very lively, you will have to carefully monitor their diet. Cardinals from the entire feed prefer a more natural for their natural habitat – live food.

It can be purchased at pet stores. In this case, aquarium fish tolerate dry food well, if you suddenly have to leave and leave the care of the fish to a friend.

Cardinal fish content breeding description compatibility photo video.

Cardinals are considered to be peaceful and non-aggressive aquarium dwellers, which are recommended to be kept in flocks of 6-8. They get along well with ternetii, red neon, rhodostomusami and danios.

Basically, the cardinals are kept in the upper layer. You should not have any difficulties with keeping aquarium fish.

Prepare a small aquarium, based on the proportion of 30 liters of water per pack of up to 7 pieces. Make it the water level centimeters 25.

Aquarium soil can be used in the form of river sand, which must be processed before being laid in the aquarium. It is also possible to use small pebbles as a substrate.

It is also recommended planting aquarium plants, but not very thick. As a rule, they put an elodea, a people, a hornpole or a vallisneria into an aquarium. The parameters of aquarium water in an aquarium with fish cardinals should be the following: hardness: 4-20, pH: 6.5-7.5, water temperature: 18-21 degrees.

The aquarium requires filtration and aeration of water, as well as weekly changes of up to 20%. Cardinals also like bright lighting, especially light is needed in the winter.

There is a cardinal live and dry food. Perfectly eats cyclops, bloodworm, dry daphnia.

In nature there is almost all the time small insects.

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


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-cardinals are not very impressive with their appearance. And those who prefer to see bright, beautiful inhabitants in their aquarium, rightly ignore this view.

When you look at a small, bright fish, you always have a feeling of tenderness and sympathy. Especially strong feeling is caused by the smallest representatives of the breed.

This species is also good due to the fact that it gets on with almost all types of aquarium fish. And it can be kept in small aquariums.

The cardinal is a fish accustomed to living in a flock, so several pairs should be wound up at once, and it is desirable to have more males

Such fish are bred well even with a small layer of water, which may not exceed 20 – 25 cm. In order for females to safely lay eggs, in the aquarium it is necessary to make thickets of special small-leaved plants.

The only condition is that when new-born fry are found, they need to be caught, no matter what the adults begin to eat the offspring. Cardinal fry are fed with micro food, with proper care, the fry grow very quickly and reach maximum sizes in five months.

For reproduction the temperature is set at 21-24 °, the aquarium is placed in a well-lit place. Cardinal – fish, breeding which does not require special costs and efforts.

As feed for the cardinal used feed for small fish. These can be live daphnids, cyclops, small bloodworm, and a tubule.

If there are no live food, you can completely transfer the fish to dry food.

The babies are given cyclops nauplii, rotifers, mashed egg yolk or dry food, pre-mashed. Feed is introduced into a small amount of water, and then poured into the aquarium through a thick sieve.

Whatever the food remains do not pollute the water inhabited by kids or big cardinals, you need to have a few snails in the same place that will eat the rest of the food.

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