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About Us

Top of the Line Koi Fish Imported Straight from Japan

Koi Collections USA has a large variety of koi fish stemming from all different types of breeds. We are a direct importer of Japanese Nishikigoi from Niigata in Japan.

Each year, we head over to Japan to pick out beautiful Nishikigoi and bring them back to the United States. We provide our customers with some of the best high quality koi located right here in the Tri-State Area as well as our services to help you with your koi pond needs.

Our specialty services include filtration installation, koi care, water treatment and pond designs. We also sell our custom-designed filtration systems that will give your pond water a cleaner and glistening result.

The Numbers Don't Lie!

For more than a decade, president of Koi Collections, John Lentzis has participated in numerous koi competitions throughout the Unites States and Japan.

John has won multiple awards for his koi in different categories which include Grand Champion, Mature Champion, Adult Champion, Jumbo Champion, Best in Size, Best in Color and more! When it comes to koi, he is recognized as a top expert in his field by other high profile experts.

Today, he plans on sharing is knowledge with other amateurs in hopes they are well informed when it comes to proper filtration of a pond and suitable caring of koi.

Why Choose Us?


Multi-year nominations in all statistical categories


Proven through results we provide high quality koi


Official documentation for every koi purchased from us


Best in Size Awards


Young Champion Awards


Grand Champion Awards


Mature Champion Awards


Adult Champion Awards


Jumbo Champion Awards


Filtration Installation

With some of our custom-designed filters, we can help implement a sustainable filtration system to your pond

Koi Care

Get advice from some of our koi fish experts from treating parasites to proper medical procedures

Water Treatment

Innovative water treatment solutions to help your koi excel in a clean and healthy enviornment

Pond Design & Construction

Find out how you can get started on buidling your custom fish pond, waterfall, & more!

Koi For Sale

  • All
  • Asagi
  • Showa
  • Chagoi
  • Kohaku
  • Doitsu
  • Yamabuki
  • Sanke
  • Gin Rin

Filtration Systems

Model KC-10

Withstands Approx. 10,000 L/h

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Model KC-30

Withstands Approx. 30,000 L/h

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Model KC-60

Withstands Approx. 60,000 L/h

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Contact Us

176 Saddle River Ave, Building F, South Hackensack, NJ 07606