Category Archives: 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).

Ich and Your Koi Fish

Short for Ichthyophthirius multifilis, Ich is another freshwater parasite that loves to hide in the[read more...]

Anchor Worms and Your Koi

Anchor worms (Lernea or also Lernaea Elegans for those that like official names) is a[read more...]

Costia and Koi Fish

This parasite has a fairly intimidating scientific name, going by the handle Ichthyobodo Necatrix in[read more...]

10 Signs You Are Ready for a Koi Pond

1. You go to an Aquarium and your first thought is, “I can do better[read more...]

Your Koi and Columnaris

Also known as Cottonmouth, Fin Rot, Tail Rot or Saddleback disease, Flavobacterium columnare is a[read more...]

Aeromonas, Your Koi and What You Can Do to Combat It

Aeromonas, or Aeromonas hydrophila if you want to get scientific, is a pond bacteria. Aeromonas[read more...]

Putting Your Koi Under the Microscope

Spring is here. Your pond has thawed, and your Living Jewels are more active and visible again.[read more...]

Judging Koi Fish

Looking at all of your prized Living Jewels, you are certain that you might have[read more...]

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Koi Health—Knowledge is Power

The sun is out, water temperatures are starting to rise and your koi are getting[read more...]

Tancho Kohaku Koi

Perhaps one of the most loved and highly sought-after of the varieties of koi, the[read more...]