2025 May Premium Tosai

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Maruyama Tosai

Explore the largest selection of Maruyama Tosai available online, exclusively at ChampKoi. Sourced directly from Japan’s premier breeder of Jumbo Kohaku, each 1-year-old koi is hand-selected for exceptional skin quality, pattern, and growth potential.

Limited availability. Secure your future showpiece today.

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Golden Corn Collection

A rare offering of brilliant golden koi, hand-selected from Japan’s elite Taniguchi Koi Farm. These koi are known for their rich corn-kernel pattern, glowing skin, and rapid growth potential.

🛒 Secure yours now—once sold, they're gone for the season.

Add vibrant color, standout genetics, and serious size potential to your pond today.

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Individually Photographed Koi

Explore our exclusive collection of Individually Photographed Japanese Koi, each hand-selected from top breeders. From vibrant Showa to elegant Kohaku, every koi is unique and ready to elevate your pond. Easily browse and sort by price, koi type, breeder, and more to find the perfect koi for your collection. Bring home one of these living jewels today!

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Frequently Asked Questions

How much does shipping cost?

As soon as you add koi to your cart, our system groups them into the fewest oxygen-filled boxes to keep them safe and your cost low. Enter your address at checkout and you'll see the exact rate before you pay (most orders fall between $55 - $250). Since we never mark up shipping, we'll automatically refund you if the final cost comes in lower.

Q: Can I visit your store to see the koi fish in person?

A: Yes, you are welcome to visit us in-store at 3395 Keaton Loop, San Jose, CA, to see our selection of beautiful and healthy koi fish, premium food, and top-notch pond equipment.

Q: What is your return policy for koi fish and other products?

A: We strive to ensure customer satisfaction with all our products. If you have any issues or concerns, please contact us within a specific time frame after purchase to discuss the situation, and we will work with you to find an appropriate solution.

Q: How do you ship koi fish to ensure their safety and well-being?

A: We take great care in packaging and shipping our koi fish to ensure their safety and comfort during transit. Each koi fish is carefully placed in a secure, oxygenated bag and shipped using reliable carriers with experience in handling live animals.

Q: Do you provide any guarantees or warranties for your koi fish?

A: We stand behind the quality and health of our koi fish. If you have any concerns or issues with your koi fish within a specific time frame after purchase, please contact us, and we will work with you to address the situation.

Q: What kind of koi food do you recommend?

A: We carry the most popular premium koi food brands such as Nijikawa, Hikari, Aqua Master, and Sea Side Aquatics. Our team can help you choose the best food for your koi fish based on their specific needs and preferences.

Q: What type of pond equipment do you offer?

A: We provide a wide range of high-quality pond equipment, including water pumps, filtration units, and ultra-violet sterilizers, to help you maintain a clean and healthy environment for your koi fish.

Q: How can I learn more about koi fish care and maintenance?

A: Our team of experts is always ready to provide guidance and advice on koi fish care and maintenance. You can also find valuable resources on our website, including blog posts, articles, and videos on various aspects of koi fish care.