For an increasing number of hobbyists around the world the chance to enter a Koi into the All Japan Koi Show, and more so to win a prize, is becoming a goal.

The cost of taking part in the ultimate Koi show on earth doesn’t come cheap however!

Needless to say, first you’ve got to purchase a Koi that is deemed of a grade suitable to be entered.  All entries are undertaken and handled by a member of the All Japan Nishikigoi Promotion Association (Shinkokai).

Assuming that you have a suitable candidate to enter the actual cost of entering the Koi will vary depending on its size.

Show pools at the 2016 All Japan Koi Show

Show pools at the 2016 All Japan Koi Show

At the time of writing 10,000yen is approximately US$85, €81.50 or £68. (Source Google.com)

Koi in the 12bu-25bu classes are deemed juvenile fish, and require a pool 1m in diameter by 0.6m deep.  The cost of the pool is 10,000yen.  For each Koi that you wish to enter there is an addition 10,000yen fee.  You can place a maximum of 10 Koi in that size pool.


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Young Koi in the 30bu-40bu classes require a slightly larger pool, 1.2m diameter and 0.8m deep.  This size pool has a cost of 15,000yen and each Koi, up to a maximum of 10, has an entry cost of 15,000 as well.

Note, during judging the above Koi would be placed in individual plastic bags.

Koi in plastic bags for judging

Koi in plastic bags for judging

Adult class Koi, sized 45bu-55bu, are also placed in a 1.2m diameter and 0.8m deep pool, however the maximum number is 3 Koi.  For this size and larger pool the cost is just for the pool, not per Koi, and that cost in this instance is 60,000yen.

3 Koi sharing a pool

3 Koi sharing a pool

Koi sized 60bu-70bu require a 1.5m by 0.8m deep pool, and for that the cost is 120,000yen, the maximum number of Koi being 4.

Pool card showing 2 90bu Koi to be placed in it

Pool card showing 2 90bu Koi to be placed in it

Finally, the largest Koi in the 75bu to 90bu size classes require a 1.8m by 0.8m pool, and the cost is 150,000yen with the maximum number of Koi in the pool limited to 3.

If, for example, you had one Koi of 25bu, one of 35bu and one of 55bu, you would need a 1.2m by 0.8m pool, and the maximum number of Koi allowed would be 3, the cost would be 60,000yen.


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If you had five 25bu Koi and three 40bu Koi, you would need a pool of 1.2m by 0.8m, the cost would be 135,000yen.

Many special Koi, including almost all of the 90bu GC contenders are actually placed into a pool of their own meaning a hefty 150,000yen entry fee for the one Koi.

Large 90bu Kohaku in a pool of its own

Large 90bu Kohaku in a pool of its own

If you don’t already have your entry Koi lined up, time to start shopping, the closing date for entries is a little over 5 weeks away, 24th January 2017.


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