freshwater fish | Goldfish

Shubunkin Goldfish Care Guide: Tank Size, Tank Mates, Lifespan, Diet

Shubunkin Goldfish

We tell you all about the shubunkin Goldfish

We welcome you to our portal specialized in one of the most colourful fish that you can have in your aquarium, the Shubunkin Goldfish, with a great variety in colour, a lot of vitality and especially easy to breed.

Care Level:Easy
Color Form:Calico
Lifespan:15 Years
Size:12 Inches
Minimum Tank Size:75 Gallons
Tank Set-Up:Planted Freshwater
Compatibility:Other Peaceful Fish

Good companions in the fish tank

As you can foresee, the name these fish receive comes from Japanese, meaning intense red mixed with a different colour. Checking how one of its characteristics is its red stippling,  joining other types of colours. This species has varied greatly over the years, giving rise to other subspecies that mix black or blue spots, instead of red.

Shubunkin Goldfish are the perfect companions to have in the tank and join them with other Goldfish species since they are very calm and friendly, especially with those that also live better in cold water. Although they do not usually attack other species, it is advisable not to join them with smaller fish, because you will see them as possible food, so if there had to be a downside, it could be this.

They like to socialize a lot with other Shubunkin, swimming all over the tank without there ever being a hierarchy or attacks between them.

Keeping Shubunkin Goldfish

Suppose you are starting in the world of aquariums. In that case, we advise you to have the Shubunkin Goldfish in your fish tank since they are usually very resistant. You will not have problems in taking care of them properly since they can live in extreme temperatures inside the aquarium with very water conditions. Variables. The biggest requirement they will have when living in an aquarium is that they are large enough to swim a lot since they are very active fish and love to have space to move from one place to another. So you have to have at least one tank of more than 100 litres.

On the subject of food, you will not have to worry either, since they can eat anything as they are omnivores and are not delicate with food.

How to care for Shubunkin Goldfish

To have a Shubunkin Goldfish in good condition for more than ten years, you have to know how to take care of them, preventing them from having lethal diseases for them.

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Shubunkin Goldfish Care Tips

This is an ideal fish for any type of person, from beginners to the world of aquariums, since they provide many facilities in its maintenance, as well as for experts who seek to have fish that will last a long time. They are also ideal for children because of their variety of colours, how they grow over the years, and their very sociable.

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Shubunkin Goldfish love to move around, living perfectly in certain extreme conditions inside an aquarium. The quality and PH of the water recommended for them is 6.5 to 7.5. When it comes to having an optimal temperature, it is preferable that the water is quite cold, being able to be both in temperatures with less than 10 degrees, up to a maximum of 25.

Shubunkin Goldfish can live in fish tanks in which there is no filtration system, although it will be difficult for them to grow with this quality and with the concentration of nitrites, so it is always recommended that a filter is installed that is capable of moving water constantly, assisted at all times by an oxygenation system.

Caring for the bottom of the fish tank

When it comes to caring for a Shubunkin Goldfish, you have to pay special attention to what you place at the bottom of your aquarium since they will enjoy removing it over and over again, being able to make the plants that are attached to the bottom end up loosening. Shubunkin Goldfish are going to be especially friendly with their own species and even with different ones, but you should bear in mind that any other fish that is smaller than its mouth will take it as prey and attack it until it is swallowed.

If you comply with all the care that we have told you, it is very easy to keep them finding cases in which they have lived up to 20 years in perfect condition, so if you really like them and take care of them perfectly, you will have a pet for a long time.

Shubunkin Goldfish breeding

If you have a pair of Shubunkin Goldfish and you want them to breed, you can easily do so as long as you take care of some important factors.

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The reproduction of the Shubunkin Goldfish

Having Shubunkin offspring is quite simple, as long as you have a good fish tank and it is also in good hygiene condition. When we talk about the size of the aquarium, it has to be quite large, since in itself these fish move a lot, having a lot of activity, when it is the breeding season they are much more so when it comes to chasing and harassing the female so that spawning.

It can be done in different ways, and it is always important that there are more males than females so that fertilization is safer.

When spring is approaching, which is when they usually start to reproduce, it is convenient that weeks before you lower the temperature enough so that little by little, you raise it until the ideal moment arrives.

It is also important that the aquarium is free of decoration or even gravel or plants to make it easier and cleaner. To improve the adherence of the eggs to the bottom, you can try putting some mesh scourers so that they do not move.

Fertilization and hatching of the fry

In courtship, the male will constantly chase the female, encouraging her to lay her eggs on the floor of the fish tank, when this happens, which is usually when the male dawns, he sprinkles the more than 5000 eggs with his sperm. Those that look yellow are the ones that have finally been fertilized, having to wait between 5 to 8 days for them to hatch and hatch from the egg.

You have to be very careful with them when they are born until about a month since the quality of the water affects them a lot, and it must be cleaner than usual and free of nitrites. In this first month, you should give them food for fingerlings that you can find in any store and feed them about six times a day.

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When they pass this period, they will be able to eat like an adult, although in smaller quantities.

Fish tank for Shubunkin Goldfish

These fish need conditions in the aquarium in which they are found that you must know so that their life expectancy increases.

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A great fish tank for Shubunkin Goldfish

Shubunkin Goldfish are animals that like to be in motion for as long as possible, feeling uncomfortable when they are in a tank of fewer than 100 litres. For this reason, if you are thinking of getting some of these fish, you have to always opt for one of 100 or much larger, since over time they can reach more than 15 centimetres, taking away space from other species that you have in the aquarium.

Apart from this quality that the fish tank must-have, they resist very well all temperatures, including those around 10 degrees or even less, but as long as it does not exceed a maximum of 25 degrees. In the same way, they can withstand the extreme pH of water, although it is convenient as long as it is around 6.5 to 7.5.

Although these fish can live with a fairly clean pond, it is preferable that the water change is done regularly since in this way we will prevent them from getting sick and have greater durability.

Water care

It is important to put a good filter so that they can have optimal oxygenation, they do not need a high-quality filter like other fish, but if you want them to be well, we recommend that you make a bet for a good filtration system as well as a system of competent oxygenation since it will improve the quality of the water, avoiding the nitrites generated by the marine plants.

The water changes should not be radical, that is, do not change all of the water since they can get sick because they are not used to the change, so it is recommended that it be done partially every week.

The decoration should be sparse since in this way they will be able to move more freely and enjoy the space more. When putting live plants, always remember to hold them very well to the base, as they are very voracious and can rip them off the ground. If you want to try different types of plants, try duckweed or foxtail.

Shubunkin types

So that you can choose the best type of Shubunkin Goldfish for your fish tank, we analyze each of the variants that you can find in the market.

The Japanese origin of the Shubunkin Goldfish

The origin of this type of fish has been dated in Japan, although it has evolved a lot over the years, finding countless variants, especially due to the export carried out by the English, taking it to England and mixing them with others. Goldfish, born very characterized subspecies.

Although it is the original species of the Shubunkin Goldfish, the Japanese type is one of the most difficult to find today. It has a very large dorsal fin that covers almost the entire back of this fish, and has a very characteristic colouration, preserving the reddish spots on a generally white body. The rest of the fins that it uses to swim are very long, all ending in a point. Unlike other species, the Japanese Shubunkin Goldfish has only one anal fin.

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The most common variant and that you may find in any specialized store is Shubunking London. These are capable of reaching 15 centimetres long if you take care of them correctly, so you should have in mind a large aquarium for them. They can look a lot like a type of aquarium fish called Carassius, but with the difference that they have mottled skin. The fins have a dark tone, almost black, and the tail with different colours that it shares with the rest of the body.

Other variants you can find

If the Japanese Shubunkin Goldfish was going to be difficult for you to find, it is possible that the Bristol type will become a challenge for you, having to get it the first moment you see it. It has a very long and much wider tail fin, and in addition, the colours are presented in coloured stripes, the effect it gives in the water is very beautiful. This tail is divided in two, being much showier than the London type.

Finally, comment on one of Shubunkin’s variants called a comet, due to the type of body, since it is finer, having dark colourations, reaching brown or black.

What does Shubunkin Goldfish eat?

If you have any questions about the diet of Shubunkin Goldfish, we will clarify what they eat and what their diet should be like.

A varied diet for Shubunkin Goldfish

This little one is capable of devouring everything in its path, paying special attention to the fry that we could have raising in our aquarium as well as the plants that we have to decorate. The Shubunkin Goldfish is omnivorous, which means that it can put anything in its mouth, from meat, small larvae or worms, to all kinds of vegetables and greens.

Generally, you will not have a problem accepting fruits or vegetables if you chop them very well, making like a small paste. You can eat from spinach, cucumber, apple, peas, carrots. It is important that they have a lot of fibre in their diet and carbohydrates that come from these vegetables.

It is preferable that you feed them several times a day with a smaller amount, that you give them everything in a lot since they will devour everything and when a few hours go by they will feel hungry and will be able to destroy what they have near. The amount will also vary according to the season they are in and also according to the water temperature, eating more in summer than in winter.

Live food as a protein supply

In addition to fibre and carbohydrates, you will also need a lot of protein to help them grow much larger and look healthier. The most effective way and the one they enjoy the most is with live food; you can give it mosquito larvae, earthworms, bloodworms, shrimp or small prawns, flies, all this can enter the diet of your Shubunkin Goldfish. If you want to eat a balanced and very varied diet, try grinding fresh fish with a little vegetable, they will be eating everything.

Despite being able to eat dry food, which we can find in pet stores, it is recommended that it be supplied very little, or before giving it leave it to soak for a few minutes since this can cause the dreaded swim bladder.

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