Rekor baru jumlah ikan yang ikut Koi Show telah terpecahkan pada penyelenggaraan 4th All Indonesia Young Koi Show 2008 yaitu dengan jumlah 1.129 ekor ikan serta 172 peserta. Koi Show yang dilaksanakan tanggal 30 Mei – 1 Juni 2008 di Mega Glodok Kemayoran ini menobatkan Kohaku 65 cm milik Haryanto P sebagai GRAND CHAMPION serta Shiro Utsuri juga milik Haryanto P sebagai Runner Up Grand Champion. Haryanto P juga meraih Juara Umum dengan total point 45.850 dengan 47 juara dan berhak memboyong Piala Bergilir APKI. Sementara untuk Peserta dengan ikan terbanyak diraih Nirwana Koi Centre dengan 89 ekor ikan.
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| Grand Champion Best in Size, Best in Variety Kohaku 65 cm Haryanto P |
Runner Up Grand Champion Best in Variety Shiro Utsuri 63 cm Haryanto P |
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| Adult Champion A, Best in Size 55 Showa Sanshoku 52 cm Haryanto P |
Adult Champion B Best in Variety Kinginrin A 52 cm Haryanto P |
Young Champion A Best in Size 45 Showa Sanshoku 45 cm Widjojo Limbono |
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| Young Champion B Hikarimono 39 cm Nirwana Koi Centre |
Junior Young Champion A Best in Size 30 Showa Sanshoku 29 cm Haryanto P |
Junior Young Champion B Kinginrin A 32 cm Haryanto P |
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| Baby Champion A Best In Size 20 Taisho Sanshoku 18 cm Nirwana Koi Centre |
Baby Champion B Kinginrin A 18 cm Nirwana Koi Centre |
Best in Variety Shusui 65 cm Haryanto P |
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| Best in Variety Tancho 64 cm Haryanto P |
Best in Variety Showa Sanshoku 63 cm Haryanto P |
Best in Variety Hikarimono 63 cm Haryanto P |
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| Best in Variety Taisho Sanshoku 61 cm Soejanto |
Best in Variety Kawarimono 56 cm Mawar 21 Koi Centre |
Best in Variety Hi Ki Utsurimono 56 cm Irawan |
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| Best in Variety Asagi 56 cm Yohanes Yusuf |
Best in Variety Koromo 54 cm Andrimansah |
Best in Variety Kinginrin B 50cm Nirwana Koi Centre |
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| Best in Variety Goshiki 42 cm Nirwana Koi Centre |
Best in Size 60 Kohaku 60 cm Joe Ch Hutagalung |
Best in Size 50 Kohaku 50 cm Nirwana Koi Centre |
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| Best in Size 40 Taisho Sanshoku 40 cm Eddy Nitto |
Best in Size 35 Kohaku 32 cm Samurai Koi Centre |
Best in Size 25 Kohaku 21 cm Nirwana Koi Centre |