Kohaku: White body with bold, clean red (hi) markings. One of the most classic and foundational koi varieties.

Taisho Sanke (Sanke): White base with red patches plus distinct black (sumi) spots. Essentially a Kohaku with added black accent.

Showa Sanshoku (Showa): Black body overlaid with both red and white. More black than Sanke, with sumi often extending onto the head.

Yamabuki Ogon: Uniform metallic yellow‑gold body. Striking for its solid, shimmering coloration.

Platinum Ogon: Solid metallic white/silver body. Known for its bright, reflective sheen.

Bekko: White, red, or yellow base with only black spots (no red/white on black).
Simple yet elegant sumi-patterned koi.

All of these varieties start life as fingerlings with emerging patterns—and over time, their colors deepen and markings refine into the gorgeous specimens koi enthusiasts prize.