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Description
Marusei Koi Farm – Premium Mixed Variety
A Titan of Niigata — 200+ Mud Ponds, 100,000 m² of Excellence
Breeder: Yoshiyuki Hirasawa | Location: Kawaguchi, Nagaoka, Niigata | Founded: 1960 | Raising Area: 100,000 m²
A titan of the Niigata koi world. Founded in 1960 by the late Mr. Seitaro Hirasawa, Marusei is one of the largest farms in Niigata — over 200 mud ponds across 100,000 m². The Hirasawa family is koi royalty: brother runs Maruhiro, another family member runs Marudo after training at Dainichi.
Varieties: Yamabuki, Gosanke, Utsuri, Ochiba, Aka Matsuba, Ki Matsuba, Orengi Ogon, and Kujaku.
- One of Niigata's Largest Farms: 200+ mud ponds and 100,000 m² — unmatched scale means unmatched selection.
- Koi Royalty: The Hirasawa family name is synonymous with excellence across multiple legendary farms.
- Founded 1960: Over six decades of accumulated breeding expertise and refined bloodlines.
- Premium Variety Mix: Marusei excels across Gosanke, Hikarimono, and Kawarimono — every pack is curated.
Why Choose Marusei?
When you buy from Marusei, you're buying from a farm with the scale to be selective and the heritage to know what perfection looks like.
Why buy from us
- Vibrant Colors and Unique Patterns: Each koi is handpicked for its stunning appearance, ensuring a diverse and visually appealing collection.
- Direct from Japan: Our koi are imported directly from esteemed Japanese breeders, guaranteeing authenticity and quality.
- Healthy and Resilient: Raised in optimal conditions, our koi are healthy and robust, making them a perfect addition to any pond.
- Stress-Free Shipping: We ensure that your koi arrive in excellent condition with our meticulous care and shipping processes.
- Various Sizes and Pack Options: Choose the perfect size and pack to suit your pond and budget.
Buying Koi Fish From Play It Koi - What to Expect?
1. What is your Alive Guarantee?
We guarantee that all koi will arrive alive and healthy. If there are any issues, please contact us immediately upon arrival with photos and a description of the problem.
2. When Will My Koi Arrive?
Koi shipment schedules are as follows:
- Orders placed on Monday will arrive on Thursday.
- Orders placed on Tuesday, Wednesday, or Thursday will arrive the following Tuesday.
- Orders placed on Friday, Saturday, or Sunday will arrive the following Wednesday.
Our koi are carefully packaged in oxygenated bags and shipped in insulated boxes to ensure they remain healthy during transit. We use express Overnight shipping to minimize the time your fish spend in transit. Because of this, all live Koi fish orders will incur shipping costs of $75.00.
4. How Do I Acclimate My New Fish to My Pond?
To acclimate your new koi to your pond:
- Float the unopened bag in your pond for 20-30 minutes to equalize the temperature.
- Open the bag and add a small amount of pond water to the bag. Repeat this process every 10 minutes for about an hour.
- Gently release the fish into your pond.
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