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The Art of Koi Fishing for Beginners

how to raise koi fish
The art of keeping Koi fish

For high-class aquarists, no one is unaware and dreams of owning their own Koi fish. Adopt fish Koi in Vietnam does not seem to be a trend anymore, but has become a spiritual value, a unique and valuable ornamental fish culture. Let’s learn the techniques of raising and caring for Koi fish to create a beautiful Koi aquarium.

Choosing a breed of Koi fish

Popular types of Koi fish

Koi fish are extremely diverse in breed lines, for newcomers, it is first necessary to distinguish and remember the Koi fish lines to find the right one for them. There are two main types of Koi fish, Standard Koi and Butterfly Koi, but based on color there are 18 different species. The following are the lines of Koi fish with different characteristics.

– Koi farming of Kohaku line: With 2 distinctive red and white colors, red accounts for a large proportion. In this line, there are 14 small lines that Koi owners should grasp:

koi kohaku farming
Kohaku series

– Breeding Taisho Sanke Koi: Bred from Kohaku. Koi Sanke has large red alternating white scales and black spots. Based on the color on the body and fins, it is divided into 7 small Sanke lines:

koi sanke farming
Sanke Series

– Breeding Showa Sanshoku Koi: Also bred based on Kohaku but black color dominates and spreads over the head. Often confused with the Sanke line, fish farmers need to pay attention. Showa is also divided into the following sub-lines:

koi showa fish farming
Showa series

– Raising Koi Utsuri: This line has 3 types of fish including Shiro Utsuri (black – white), Ki Utsuri (yellow – black) and Hi Utsuri (red – black).

– Bekko Koi: Quite similar to Utsuri but different in patterns. There are 3 colors including white – black, red – black, yellow – black

– Raising Koi Asagi: The back of the fish is covered with a layer of blue scales, with white skin between the scales and red on the abdomen, cheeks, base of pectoral and dorsal fins.

– Raising Sushui Koi: This line has 2 rows of symmetrical fins on the back with the main colors being black, white and red.

– Raising Koi Tancho: The center of the head has a different red dot, the red dot can be round, square, etc. Sanke, Kohaku lines also have this Tancho.

There are also other lines such as Gromo, Kin, Ghosiki…. Each line brings different features and different beauty that aquarists are spoiled for choice.

Criteria for choosing standard Koi fish farming

  • Clear color
  • Smooth skin
  • Healthy fish, good swimmers, no deformities
  • Friendly, can integrate with other fish

Cost of Koi

The most sought after Koi fish
The most sought after Koi fish

Prices will vary depending on origin and size. Purebred Koi fish will cost no less than 500,000, there are rare species that cost over 300 million and are very difficult to buy. Hybrid and Vietnamese Koi fish are cheaper from tens of thousands to several million. Mini Koi fish depending on size, under 10cm costs 600,000vnd, over 10cm costs 700,000vnd, 18cm costs 1 million.

The most suitable number of Koi fish

Raising Koi fish brings good luck, but raising the wrong amount can sometimes backfire. Choose the number of fish that are lucky numbers in feng shui, in accordance with the owner’s destiny, yin and yang and the five elements.

Based on the commands:

  • Kim: 4 or 9
  • Wood: 3 or 8 animals
  • Water: 1 or 6 fish
  • Fire: 2 or 7
  • Earth: 5 or 10 animals

The number of Koi fish is usually chosen as 8 and 9 because these are all lucky numbers in feng shui. The number of children should not be raised as follows: 2, 3, 5, 10 because it does not bring good luck to the owner.

Based on the direction of placing the fish tank

  • North: 1 black, white or golden one. Or choose 1 black and 6 golden ones.
  • Male: raise 7 or 9 red children, 2 blue ones
  • East: 3 black/blue
  • West: 6 golden/white ones
  • Southeast: 3 blue/black
  • Northeast: 8 golden children
  • Southwest: 8 golden ones
  • Northwest: 6 golden/white ones

Besides, we can rely on the size of the lake to choose the appropriate number of fish, with the following formula: Number of fish = lxw : d : 150 (fish)

Once Koi farming has to be determined for a long time, it is necessary to choose to buy from reputable and origin places and choose the excellent ones that are usually imported from China and Korea or choose the F1 line. Newbies should raise baby Koi fish to get used to it, later with experience, they can spend more heavily than raising other fish.

Types of fish that can be kept with Koi fish

  • Tank cleaning fish
  • Goldfish
  • Pisces fish
  • 3 tail fish

Choose a standard aquarium

koi pond
Beautiful fish pond

Aquarium or fish tank will greatly affect the life and health of Koi fish. It is advisable to determine the right type of aquarium, to ensure that the water source as well as the water filtration systems in the aquarium meet the standards. The aquarium must be placed in prime locations in accordance with the owner’s destiny to be able to dispel bad luck and attract fortune. Before raising, should treat the tank properly because Koi fish are very valuable.

Popular koi pond locations

  • Mini Koi Pond
  • In the home
  • Rooftop
  • Out side
  • Garden

The location should be placed in a place with good light, shelter from rain and wind, and in accordance with the par in feng shui. Depending on the conditions of the house and the size of the lake, it is placed in different locations to suit.

Dimensions of aquarium

The size depends on the number of Koi fish and the size of the house. Choose a size that is harmonious, comfortable, not built too big or too small, but needs to make sure the fish can swim easily, we can easily clean and install fish farming equipment.

Shape of Koi fish pond

There are many beautiful and suitable lake shapes such as semicircle, circle, arc, oval … Choose the shape of the aquarium to suit the house and the owner’s destiny.

Other conditions

Water level: Outdoor pool has a minimum water level of 60cm, indoor 40cm
pH: 7 – 7.5
Dissolved oxygen: Minimum oxygen level 0.5mg/l, maximum 18mg/l. It can be increased or decreased by disinfecting measures to clear the pond bottom, choosing food, limiting algae …
Temperature: 20 – 24 degrees Celsius
Salinity: 5 ppt

Aquarium filter system

Fish farming needs to ensure the hygiene of the water environment for fish, so the filtration system is very important. A standard filter system must have 5 components: suction – filter – push – discharge – overflow.

In addition, the aquarium needs to be impressive and creative to create beauty for the house. The outdoor aquarium needs to be decorated with ornamental plants and rockeries. Also raised in glass tanks placed indoors should add aquatic plants. Thus, the aquarium will be more unique and impressive.

Koi fish feed

Koi farming experience
Koi farming experience

Koi fish food is not difficult to find or complicated. Koi fish can eat lettuce, bread, shrimp, oysters… Fresh food must be processed and the food is always clean, not stale, moldy. Koi fish need to eat food containing poripolis, vitamins, and spirulin to grow quickly and have beautiful colors.

Do not feed Koi fish with larvae, worms, etc. You can buy specialized food for Koi fish, which are sold a lot in the market.

Koi should not be fed more than 3 times a day, any type of fish is the same, do not overfeed to avoid bloat and death. Hot weather should only feed 2 times / day. Feeding should pay attention not to leave excess food, dirty water, causing diseases for fish. Do not feed at 6-7am and 6-7pm.

Experience of keeping Koi fish in summer and winter

Breeding Koi in the Summer

Oxygen problem

High temperatures will reduce oxygen, if you see Koi fish swimming and gas on the surface of the water, you are lacking oxygen. If the aquarium has a waterfall design, let the waterfall work, if not, change the water regularly for the fish.

The problem of evaporating water

High temperature will make the water evaporate easily, always pay attention to the amount of water in the tank to easily change the water. Before changing the water, it is necessary to treat the chlorine in the water.

Food problem

In hot weather, Koi should eat more protein to maintain energy. Do not overfeed to avoid water pollution. Summer is an opportunity for pathogenic microorganisms, so you need to take care of and cherish your fish more.

Breeding Koi in Winter

Cleaning fish ponds

Before winter comes, it is necessary to clean the Koi pond, check the pond filter system, filter the lake with a frequency of 2-3 times / week.

Feed the fish

If the temperature is 24-28 degrees Celsius, then feed normally. If the temperature is too low, reduce the amount of food, feed every few days.

Heating equipment

Koi fish in winter also need heating with an ideal temperature of 28 degrees Celsius. If the temperature is higher than 15 degrees Celsius, heating equipment is not necessary.

summary

Raising Koi fish is not an easy job, anyone who intends to keep it for fun will not be able to pursue it long-term and sustainably. If raised correctly, they will have a lot of good luck, improper farming will lead to loss of money. Each fish has its own value and beauty, aquarists need to cherish and take good care of their fish. Wished everyone success.

See also: Raising fish in an aquarium

Emilia Chaney
Emilia Chaneyhttps://agrisearch.net
My name is Emilia Chaney. I'm a social girl from Romania with a big smile and 3 passions: Agriculture, Travel and Social Media. I try to make this blog practical, full of great advice and inspiring ideas.

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