koi fish eat 6 BREEDING YOUR KOI Breeding your koi australian email database is not a decision to take lightly. It is definitely not something you can accomplish in a weekend. You need to realize that breeding koi will be a long-term investment of both time and money. The prime time to breed koi is from April until July, so if it is later in the year when you are reading this, all the better. You will have plenty of time to plan and prepare for koi fish breeding.

Healthy Koi Mean Healthy Offspring You will need healthy koi for breeding, of course. Pick your healthiest Koi for this venture, as this will assure that they are able to spawn offspring that will be of high quality. Choose koi that are around 25 cm in length. This will ensure that the fish are sexually mature. Your Koi male needs to be about three years old and no more than five years old. The female koi should be around four to six years old.