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).

Koi fish swimming under lily pads|Mobile Quarantine Tank for Koi fish|Indoor-outdoor Koi pond
Is There a “Best Time” to Buy Koi Fish?

It’s warm out. It’s been a long winter where koi sightings are few and far[read more...]

13
Jul
Koi in a mud pond
Koi Mud Ponds

What is a Koi Mud Pond It’s a pond. With mud. And koi. The End.[read more...]

27
Jun
|diagram of black and red chromatophores in koi fish|Sail cloths over a koi pond|Kumonryu Koi Fish|Home made floating island for a koi pond|Color-enhancing food from Next day Koi
Koi and Color Loss

Color loss. It’s a great source of concern (and irritation!) for many koi kichi. To[read more...]

06
Jun
Koi fish swimming under a lily pad|Framed Koi Show Award certificate|blurry picture of koi in a pond|large one acre pond looking for koi to fill|poorly shot photo of koi fishj|numerous colorful koi swimming in blue water|Koi fish in a pond under a net||Picture of a goldfish mislabelled as a koi|dark koi in a plastic tub filled with dirty water|Gorgeous sanke koi in clear blue water|Sanke koi fish in murky water|notice that content has been flagged for removal|
Buying and Selling Koi: A Cautionary Tale

Koi hobbyist. It’s probably one of the most misleading terms in the world of animal[read more...]

28
Apr
Koi swimming in a school together
Update on Koi and the Lacey Act

Back in October of 2016, the Center for Invasive Species Prevention (CISP) petitioned the Fish[read more...]

10
Apr
Koi feeding at the water surface|Koi Forum post regarding sinking koi food|Hundreds of koi fish waiting for koi food
Sink or Swim: Floating vs Sinking Koi Food

Any pet owner will attest to a certain amount of anxiety about which type of[read more...]

09
Mar
Sanke koi with head poking out the water|Diagram of a settlement chamber from a bottom drain
Mechanical Filtration for Your Koi and Koi Pond

Ammonia and nitrite may be the big killers in a koi pond, but almost as[read more...]

24
Feb
Koi Under a Lotus|Zakki Shower for Biological waste filtration in koi ponds|Cermedia in open air media trays|Bacteria House Media from Momotaro Farms|Four-tray Bakki Shower
Koi Pond Filtration: Zakki vs Bakki shower

Biological filtration is one of the cornerstones of water quality in any enthusiast’s koi pond.[read more...]

10
Feb
Kohaku Koi Grand Champion At All Japan Koi Show|Sign for 2016 All Japan Koi Show|Benching Koi at the All Japan Koi Show
The All Japan Koi Show: A View From the Inside

On February 4th and 5th, the most prestigious Koi Show on earth enjoys its 49th[read more...]

01
Feb
Koi Pond Netting: What You Need to Know

As in many decisions regarding koi keeping, there are numerous choices regarding how to protect[read more...]

05
Jan