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For Koi Beginners







Koi Supply

Koishi - Koi Breeders

by Mamoru Kodama

Koishi is written in an interview style by Mr. Kodama. Kodama personally visited each of these breeders in Niigata, Japan over a period of 20 years to gather this information.

The topics covered in each interview include:

  • The history of the Koi farm
  • The policies of the breeder
  • The methods and practices of the breeders
  • The size of their operations
  • The best time to visit them
  • The most important points to remember when you purchase their Koi
  • The description of their koi

This book is a must have for every Koi library. Read the reviews below to find out what readers are saying.

Koishi $65.00  


"This book is an indispensable addition for any serious koi keeper's library. ...The title 'Koishi' is spot on. Koi Teacher."

- Bob Winkler, AKCA Certified Koi Judge

"Koi produced by the various farms are skillfully analyzed to better define what is unique about their characteristics."

- Dick Benbow, 30 Year Koi Hobbyist

"I would highly recommend reading this book."

- Mark Bodycott, USA Koi www.usakoi.com

Other books by Mamoru Kodama
Kokugyo Vol. 1, Kokugyo Vol. 2



Upon request, Mr. Mamoru Kodama will sign your books before shipping.

koishi sample 1

Koishi sample 2

More Supplies...

Koi Food

Kodama Koi Food
Manda Fu
Hi Silk
Manda Nishiki
Billion Pro

Water Conditioners

Niigata Water Bio Balls
Ultimate Water Conditioner

Koi Medicine


Koi and Pond Supplies

Sock Net with Bag

Books by Mamoru Kodama

Koishi  |  Kokugyo 1  |  Kokugyo 2