This article is written by Rosimeri Tran, KHA, to discuss the effects of winter and cold pond water temperature on koi fish and how the koi are affected by vast water temperature changes. I can’t emphasize enough, even if you stopped or greatly reduced feeding your koi during the winter with colder water temperatures, you …
The Central California Koi Society (CCKS) will host its third annual CCKS Koi Auction on Saturday, March 14, 2026 from 9:00 am to Noon at Belmont Nursery in Fresno, CA, USA. Whether you are experienced or just starting a pond, this live auction is the perfect opportunity to find beautiful new koi sourced from Japanese …
The Central California Koi Society (CCKS) will host its 46th annual Fresno Koi Show on Saturday-Sunday, September 26-27, 2026, in partnership with the Shinzen Friendship Garden! Set-up and koi entry day is Friday, September 25, 2026. More details for the 2026 Fresno Koi Show details are coming soon! Visit the Fresno Koi Show webpage for more details.
The cooler fall weather of the Central Valley is here! The colder nighttime temperatures this time of year are likely reducing your water temperature. The koi in the pond are likely noticing the weather change, as well. Below are some Fall pond care suggestions to help guide you and your koi pond friends into the …
Thank you to Champion Nishikigoi for being the Auction sponsor for the 2025 Fresno Koi Show! Our friends at Champion Nishikigoi have been long-time supporters of CCKS, the Fresno Koi Show, and koi hobbyists around the country! The annual Koi Appreciation Day at Champion Koi in San Jose, CA attracts hobbyists from all over California! …
Read more “Champion Nishikigoi – 2025 Fresno Koi Show Auction Sponsor”
Thank you to the Shinzen Friendship Garden for being the venue sponsor for our 2025 Fresno Koi Show! In 2019, our friends at the Shinzen Friendship Garden helped us move the Fresno Koi Show to Woodward Park, next to their stunning Japanese Garden. Koi Show guests get free entry to Shinzen Friendship Garden through the …
Read more “Shinzen Friendship Garden – 2025 Fresno Koi Show sponsor”
Over the years our koi keeping was improving, but the quality of our koi had not because of spawning in our pond and not knowing how to select koi. It was time to improve the quality of our koi but we did want to spend thousands. A tosai tank allows similar sized koi to grow at a faster rate because they are not competing for koi food with larger koi. It also allows us to save on koi food costs by feeding our tosai high quality food and feeding koi in our main pond less expensive food.
So now, we have this pond, with koi, and some instruction on what to do with the equipment, and some without. As pond keepers we go about our life, enjoying the koi, feeding them, taking pictures of them, until one day, something goes wrong.
A fish swims the wrong way, or not like the others, a koi develops a red mark, raised scale, or even worse we find a deceased koi – every pond keeper’s nightmare!
What to do? What to do? The “panic at the pond” begins.
CCKS subscribes to K.O.I. News! for CCKS members. View and download the November news article below.
This time of year, you might find yourself fighting string algae in your pond. String algae can grow on all surfaces of the pond, including the waterfall. Here are some ways to eliminate string algae. Remove String Algae by Hand You can remove the string algae by hand, or using rakes or whatever tools are …