Golden crucian | Facts & Information

# Golden crucian | Facts & Information

Golden crucian | Discover Fascinating Facts and Information About Golden crucian

In the Wild The Golden crucian is greenish brown in color and can be found in East Asia. It was bred as aquarium fish first by the Chinese, then became popular all over the world.

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Golden Crucian

Golden crucian

The Golden Carp (Carassius auratus), also known as the goldfish, is a species of freshwater fish in the Cyprinidae family. It is one of the most popular aquarium fish, valued for its beauty and adaptability in limited water. In this article, we will explore the characteristics, habitat, behavior, and importance of this animal.

The Golden Carp is native to Asia but has been introduced to many parts of the world for aquarium cultivation. It is a small fish, reaching an average length of 7-14 cm. Its body has an oval and flattened shape, covered with small and shiny scales. In aquariums, color variations are spectacular, including shades of gold, red, orange, brown, and white.

This fish thrives in waters with moderate temperatures, between 18 and 24 degrees Celsius. It prefers flowing waters but can also survive in lakes and ponds. The Golden Carp is a resilient and adaptable fish, capable of surviving in various water conditions. Additionally, this species can tolerate low oxygen levels and feed on different types of food, such as aquatic plants, algae, small insects, and insect larvae.

The behavior of the Golden Carp can vary depending on the environment in which it lives. In aquariums, these fish are often considered peaceful and sociable. They behave well in groups and can adapt to the presence of other fish species. However, an adequate aquarium size and sufficient food and space for all fish must be ensured.

Like most fish, the Golden Carp reproduces through eggs. Egg deposition can be observed during the breeding season, and the eggs are often found attached to plants or objects in the aquarium. The process of growing the eggs in mature fish is called incubation. After the incubation period, the small fish larvae develop and begin exploring the surrounding environment.

An important aspect of the Golden Carp is that it can contribute to maintaining ecological balance in aquatic environments. As they feed on algae and aquatic plants, these fish can help maintain low levels of algae in the water. Moreover, in areas where the Golden Carp has been introduced into local waters, it can have an impact on the population of local aquatic organisms. For this reason, careful management and monitoring of this fish are particularly important to avoid ecological imbalances.

In conclusion, the Golden Carp is a fish known for its beauty and adaptability in aquariums. It is found worldwide and comes in a multitude of colors and variations. The Golden Carp is a resilient and adaptable fish that can live in different types of water and survive in various conditions. It is peaceful in aquariums and can contribute to maintaining ecological balance in aquatic environments. However, it is important to carefully monitor and manage Golden Carp populations to avoid any potential negative impacts on local ecosystems.

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Origin

Some fish escaped from artificial lakes or were released from aquariums thus becoming wild fish.

Because they can withstand a varied temperature unlike most tropical fish, they can live in cold water there are wild populations even in America: in the Hudson River in New York or in the rivers and ponds of the Midwest.

Feeding Golden crucian

One of the biggest problems you raise caring for goldfish is the fact that they make a lot of mess, which can cause the concentration of ammonia in the aquarium to increase.

Goldfish would always eat but their stomach is much smaller than the appetite they have, for them it fits very well z icala: eyes are two and mouth is one. That's why try to give them as much food as they actually need.

Make them one serving, but it is preferable to feed them several times a day from this serving. Special flaky food for Golden Crucians is a sufficient basic diet.

But it would be good to supplement it with spinach or boiled salad and live food such as shellfish, artemia or tubifex worms. To emphasize: give them small amounts at each meal. Due to the fact that they produce so much debris, be very careful about the quality of the water.

If the water in the pool becomes cloudy, you will have to change a quarter or more of the amount of water in the aquarium – such a change should be made weekly.

Give them less food. If they are fed floating goldfish tablets, care should be taken to soak them in water to swell. Otherwise the fish will swallow them dry and the tablets will swell in their stomachs. The belly of the fish will fill with air causing the development of swim bladder disease and the fish will float either on its side or with its belly up.

Goldfish will quickly learn that you are the one who feeds them and will come to the glass of the aquarium when you enter the room. They are fast swimmers and it is a pleasure to watch them.

Appearance Golden crucian

Breeders have created over 125 different varieties from ordinary crucian carp to Orange-veiled telescopic crucian carp, lion head crucian carp, Shulenkin goldfish or Sky-eyed crucian carp.

Some of these fish are more deformed than beautiful, but for fish breeders they are very valuable.

Although goldfish are hardy, even the most common varieties need good care-for starters an aquarium larger than a bowl.

If given enough space and attention, they will grow large: from 15 to 35 centimeters depending on the species. They will also live long: on average 7 to 10 years.

Features Golden crucian

For two goldfish it takes at least 75 liters of water. This aquarium might seem too big when the fish are small, but they grow quickly.

The water must be chlorine-free. For this, it would be best to buy a chemical dechlorinator that you can buy from any specialty store.

A good filtration system is also needed to filter the water mechanically and biologically, and an air pump is also recommended to help the water circulate.

The heater is not needed if the room temperature remains between the limits of l8 - 24 degrees Celsius.

These fish can also endure cold water, as long as the water temperature does not change suddenly in a very short period of time.

If you also put the stone in the aquarium – which is not necessarily necessary, you must be careful to clean the debris that has fallen among the stones. For this you can use a vacuum cleaner connected to an air pump.

Breeding Goldfish

Although considered very easy, the reproduction of Golden crucian carp still presents an inconvenience: the difficulty with which we differentiate the sexes of fish. Reproduction is similar for all varieties of Goldfish.

The first step to successful breeding is to make sure you have at least one viable breeding pair, although the ideal is to have 2 males for each female. Goldfish reach sexual maturity only at the age of 1 year, and sexual dimorphism is nonexistent in fish smaller than 8cm.

In adulthood, females have a noticeably larger abdomen than males. Males develop small white tubercles on the gills and pectoral fins during breeding.

Some females will also develop such tubercles, but never as many as males. It is ideal to feed the fish with a variety of foods and in sufficient quantity to ensure that you will benefit from viable and healthy offspring.

Also, to stimulate reproductive activity, feed the fish with live food (for 2 months before spawning), keep the aquarium water clean and well oxygenated, at a temperature of 20grc.

If you have the opportunity, it is very good to keep separate females from males until the mating season (spring), this procedure favors reproduction.

The spawning aquarium must be at least 100l (depending on how many breeding pairs you will use), filled with water with a maximum height of 30-40cm for the eggs to be deposited quickly. Stale and well-filtered water must be mixed with water from the spawning aquarium. If necessary, use a small heater to keep the water temperature at 20grC and a filter adjusted to the lowest flow rate.

The filter should not create drafts because the Fry are very sensitive. It is advisable to add a few groups of plants with dense leaves (Cabomba, Elodea), they will give the female the opportunity to take refuge from the male.

On the bottom of the aquarium, about 3cm high, you will need to place a frame with net that enters the aquarium fixed (without leaving spaces where the fish can insert their heads or bodies). The frame must be made of stainless steel or brass wire, and the mesh must have meshes of about 4-5mm.

The net will let the eggs pass and settle on the bottom of the aquarium, thus preventing the parents from eating them. You can also use a specially designed nylon mop on which the eggs will stick. Parents will immediately eat the eggs if they are not protected, so nylon mesh or mop is needed.

The aquarium will have to be ideally positioned in such a way that the first rays of the rising sun fall on it.

If you notice that the male is chasing the female and punching her with his snout in the abdomen, it means that it is time to prepare for reproduction. The Ideal is to use several fish, usually respecting the proportion of one female to two males.

Fish should be introduced from the evening in the spawning aquarium. Golden Crucians start spawning very early in the morning. Thus, the male will frantically " run " the female around the plants until it exhausts her, at which point the female will lay eggs that will be fertilized immediately with the male's milk.

If the fish did not spawn, you can leave them in the aquarium until the next day to give them the opportunity to spawn. A female can produce from several hundred to about 1000 eggs.

Golden crucian eggs are sticky and will immediately adhere to the plants, the nylon mop or the bottom of the aquarium. They have the appearance of small transparent or brass spheres, with diameters of about 3mm and can be hardly noticeable on the bottom of the aquarium. If the female has laid eggs she will have a much thinner abdomen. After spawning immediately withdraw the parents from the spawning aquarium.

After 48-72 hours from spawning will emerge larvae that will catch plants and aquarium glass and will remain there for 1-4 days. When the fry begin to swim freely they will have to be fed (never before!) with naupli of Artemia, microworms or hard-boiled egg yolk. If you use egg yolk, do not offer it in large quantities because it alters water very easily.

Feed them 3-4 times a day. All this time you will have to keep the aquarium very clean, remove the debris left behind parents and maintain the temperature at values of 21-22grc.

It is good to remove with a pipette sterile or rotten eggs so as not to infect healthy eggs. Compromised eggs look either like white, misty or black spheres. You can add a few drops of methylene blue to the water to avoid the development of fungi. The filter must be kept at very low flow rate.

After about 2 weeks the Fry will start to look like fish. After 4 weeks begin to change about 10% of the water in the aquarium. About 1 month after swimming freely the fry can be fed with fine flakes, and after about 3 months (when they measure about 3-4cm in length) they will begin to change their color. However, it may take more than 1 year for goldfish to develop their final color.

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