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  >  Koi Fish Facts

Category: Koi Fish Facts

Koi Fish Facts, including everything you’d want to know about keeping koi fish. How to care for your koi fish, and how to maintain a happy, healthy koi pond (or tank).

Counting Your Koi
  • Koi Fish Facts
  • Shipping
Next Day KoiApril 30, 2023

How to Properly Transfer Your New Friends!

Hello! My name is Hoon Lee and I will show you how to properly transfer your new friends to your new home. Let’s get started!

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Oranda Fancy Goldfish
  • Koi Fish Facts
Next Day KoiDecember 21, 2022

Comprehensive Guide to Fancy Goldfish

If you’re a pond owner, you’re likely familiar with the different types of Pond Goldfish, including Shubunkin and Comet Goldfish, but Fancy Goldfish are a great option if you’re interested in keeping fish indoors. 

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  • Koi Fish Facts
Next Day KoiAugust 28, 2022

Most Popular Varieties of Koi  

Whether you are building a pond for the first time and deciding what to stock or you inherited one and have no idea what’s in it, the ability to identify the most common koi is useful.

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Koi at the surface of the water
  • Koi Fish Facts
Next Day KoiJuly 26, 2022

How to Keep Koi from Eating Their Young 

Although koi are known for their friendly demeanors and calm temperaments, like most fish, they are omnivores and will eat fish that are significantly smaller than them.

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Koi in a Pond
  • Koi Fish Facts
  • Koi How To's
Next Day KoiJuly 3, 2022

How to Tell if Your Koi are Male or Female

Determining whether a koi is male or female involves some detective work. As koi lack external sex organs, we must rely on the subtle differences in external features.

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Koi Fish Pond Wildlife
  • Koi Fish Facts
  • Pond Maintenance
Next Day KoiJune 15, 2022

Wildlife That Can Be Found in Backyard Ponds

Koi ponds naturally attract wildlife to your garden, which can provide a rich oasis for animals in addition to your fish. However, the welfare of your koi and

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Fish fry
  • Koi Fish Facts
  • Koi How To's
Next Day KoiMarch 12, 2022

A Guide to Raising Koi Fry

Koi will breed annually if your pond has males older than two and females older than three. Fish typically spawn in late spring or early summer when water

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  • Koi Fish Facts
  • Koi How To's
Next Day KoiMarch 6, 2022

Teaching Your Koi to Perform Tricks

Though limited by what they can do while restricted to a pond environment, koi are capable of learning a few tricks. These are the most common tricks pond owners can teach their koi to perform.

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Couple Throwing Treats into a Pond
  • Koi Fish Facts
Next Day KoiFebruary 16, 2022

Beyond the Pellet: A Guide to Healthy Treats for Koi

When it comes to enjoying treats, koi are no different than your dog or cat. Like any other pet, mealtimes are among the highlights of their days. You

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Koi Pond in Fall
  • Koi Fish Facts
  • Koi How To's
  • New Koi
  • Pond Maintenance
Next Day KoiSeptember 17, 2021

Introducing New Koi To Your Pond In the Fall

While adding new fish to your pond late in the season is typically okay, there are a few considerations to keep in mind before doing so. 

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