Yamakoshi Mushigame is Koi Genesis because from those same ponds came Yamakoshi’s other world‑shaping legacy, nishikigoi—aka koi. Japanese Koi Farms began here in Yamakoshi.

Mud ponds are not ornamental. They are working agricultural ponds designed to grow koi the way rice fields grow crops: slowly, naturally, and with deep knowledge of the land.

The Portland Japanese Garden and koi pond combine, causing visitors to linger, captivated by the colors and calm movement of the fish.

Explore the Japanese tradition of Azukari: at Narita Koi Farm—where prized Nishikigoi remain under expert care, nurtured in Japan’s finest koi facilities until they reach their full potential.

In this interview with Manabu Ogata: Japanese Koi Master, we see why Japan, the birthplace of Nishikigoi, remains the center of excellence for the finest koi in the world.

This story is a data-driven project intended to present a clear picture of what Japan’s Global Exports of Nishikigoi looks like.

The Nishikigoi Classification of 2022 by the Japanese Agricultural Standard was an important milestone for Koi Breeders

Welcome to Koi Waters. We invite you to explore and enjoy the world of Nishikigoi, delve into specialized koi...