Tamasaba Goldfish: Complete Guide, Care and More

Tamasaba Goldfish

Fancy Goldfish are in decline on a worldwide scale, and are no longer fashionable in warm areas, where fish keepers are opting for Flowerhorns, Siamese fighters, Parrot cichlids, and even Asian Arowana as replacements. They also have an image issue in colder nations such as the United Kingdom. Large for tiny tanks, fragile and disease-ridden for novices, and too expensive. Many individuals consider it to be overdeveloped and unsightly. But there is a variety that has the potential to alter everything. The Tamasaba Goldfish! It is disease and pond resistant and is fairly priced while still being attractive enough to attract collectors and line breeders.

Tamasaba Goldfish have long been regarded as one of the most graceful and gorgeous fish in the world.

There are so many types of goldfish species to pick from these days, and the most of them are simple to care for. The Tamasaba Goldfish is a unique type of goldfish that may be maintained as a pet even by those who are new to the hobby of fishkeeping.

Among the many varieties of goldfish, the Tamasaba is one of the most resilient. They are not as quick as their slenderer relatives. However, their attractiveness and strength make them an excellent choice for both ponds and aquariums, and they are equally at home in either.

You can also read: Why is my Goldfish turning white?

Quick Notes

Common Names Tamasaba Goldfish, Mackerel Tail, Yamagata goldfish, Yamagata Kingyo
Origin Yamagata Prefecture in Northern Japan
Size About 10-12 inch or up to 30 cm
Lifespan 10-15 years (The Guinness Book mentions 43 years)
Diet Omnivorous
Breed Reason Ornamental pet
Breeding Technique Artificial and natural
Color of the Body Solid red, deep red and white
Climate Tolerance Almost every weather condition
Water Hardness 5° to 25° dH
pH 6.0-8.3
Temperature 50°F – 82°F /10-28 ℃
Availability Worldwide
Compatibility Koi and most of the pond fish species


Tamasaba Goldfish Origin

Tamasaba Goldfish are native to the Yamagata Prefecture in Northern Japan. From here they are also called the Yamagata Kingyo and Yamagata Goldfish.

This unusual goldfish breed is the product of a hybrid between Syounai a single-tailed Goldfish and Ryukin Goldfish, which is double-tailed.


Tamasaba Goldfish Appearance

The goldfish is with a body shape like a Ryukin and has a single tail, making it a long fish. This elegant and decorative goldfish type is available in two colors: dark red and white. It is simple to identify between a male and a female Tamasaba goldfish.

Its long, flowing tail, which resembles that of a mackerel, is also one of the reasons why it is often referred to as a Mackerel Tail Goldfish. Occasionally, goldfish are confused with Sabao Goldfish, however they are really two separate kinds of Goldfish.

With an arched back, goldfish have spherical bodies with a single caudal and anal fin. When compared to the Ryukin, their body arch is not as noticeable or high, and they are not as agile as they are when compared to the Sabao. In comparison to Goldfish, the arch of a Sabao is smaller.


Tamasaba Goldfish Size

Tamasaba may reach a maximum height of 10 inches. They have the potential to grow to be much bigger than the Ryukin.


Tamasaba Goldfish Compatibility

They can survive a wide range of temperatures, including cold weather, which makes them an excellent choice for both a pond and an aquarium. Goldfish get along nicely with Koi, and they may be kept in a pond with most of the other types of pond fish.

Do not keep Tamasaba in the same aquarium with aggressive fish. You should also avoid introducing shrimp and snails to Tamasaba since they will become their snacks.


Tamasba are more like the Common or the Comet Goldfish in appearance, and they get along better with them than other exotic Goldfish.


Tamasaba Goldfish Life Expectancy

When housed in a well-maintained aquarium or fishpond, Tamasaba Goldfish may live for up to ten years, which is an excellent life span.


Tamasaba Goldfish Diet

Tamasaba Goldfish are omnivorous and will consume everything including fish food to frozen and fresh foods. It is possible to extend the life expectancy of Tamasaba Goldfish by feeding them a high-quality food rich in nutrients. They are smaller than the Koi Beta, but when they are partnered with them, they may battle for their food.


Tamasaba Goldfish Care

Tamasaba’s care is not very tough, but it is relatively simple. Despite the fact that it is tall and circular, it is simple to grow, and because of its windsock tail, it is great at swimming and eating, much like Goldfish. When breeding Tamasaba, you must exercise caution since the volume of poo that comes out after consuming food is significant.

The body is naturally huge, and there is plenty of food available, yet the quantity of excrement produced is large. As a result, the rate at which water quality deteriorates will certainly increase. The water quality of your aquarium may suffer as a result of your goldfish’s poor care, and you may be able to cause fish death if you maintain it in a sloppy way and leave too much waste in the water.

However, this kind of care is required while maintaining regular goldfish, therefore you do not need to be as cautious with the Tamasaba.

The Tank

If you want to maintain Tamasaba Goldfish in a tank, you will need around 15 gallons of water for each fish. A fish tank with a minimum capacity of 130 gallons is required for 10-15 fish. An aquarium of sufficient size allows them to swim freely and reach their maximum development potential.


For the health of the goldfish, it is necessary to replace the water in the aquarium on a regular basis. When maintaining a Tamasaba Goldfish pond, it is still necessary to supply filtration and aeration for the fish. You may also use biofiltration to clean the water in your indoor aquariums made of glass or acrylic.

The best way to ensure proper water quality is to always use a dechlorinator that is appropriate for the complete volume of water in your tank before adding water to it.

Always keep an eye on your water’s parameters, such as the kH, pH, ammonia, nitrates, and phosphorus levels. The values for ammonia and nitrites should be “0.” If not, execute a partial water change and treat the tank with the proper water treatment, as necessary.

To maintain pH buffering, the concentration of KH should be between 100 and 150ppm.

The pH of the water should be between 6.0 and 8.3 for optimal fish health. If the pH is more than 8.5, it is critical to maintain Ammonia and Nitrites below 0.25.

Always make sure that your fish is getting enough dissolved oxygen. There is insufficient dissolved oxygen provided by waterfalls. When it comes to supplying dissolved oxygen, air pumps are the most effective option.


Adding Tamasaba Goldfish to the Tank

If you have any fish die in your pond, do not add any more fish until you have identified and corrected the conditions that caused the fish to die.

Do not float* the Goldfish in a sack on the water unless the water from where they arrived is significantly warmer or colder than your tank’s temperature. (How Long to Let Tap Water Sit Before Adding Fish?)

If your aquarium water has excessive levels of Ammonia or Nitrites, you should avoid from adding fish. Before introducing fish, check your pH and KH levels and make any required adjustments.

Open the bag your fish arrived home in and carefully pour several glasses of your pond water into the bag until it is filled. Do not let fish unsupervised. This will assist the fish in becoming acclimated to pH variations in the water.

Remove the fish from the water with a net after 10 minutes or less* and return it to your pond.

Never dump the water from the bag of water that the fish were carried in into your pond or aquarium.


Tamasaba Goldfish Breeding

Tamasaba breeding is not difficult, to be sure. Because all goldfish are oviparous, the techniques of spawning and breeding are the same for all of them. In other cases, it may be more efficient to do it artificially, depending on the kind of Goldfish.



Tamasaba Goldfish is one of the most beautiful Goldfish. It is disease and pond resistant and is fairly priced while still being attractive enough to attract collectors and line breeders. The Tamasaba Goldfish is a unique type of goldfish that may be maintained as a pet even by those who are new to the hobby of fishkeeping. This fish will add a unique look and charm to your aquarium environment.

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