If you are interested in selling pond fish, specifically koi, there are a few things you should know before you begin. First, set your goals reasonable goals, and do your research. While common koi are relatively easy to breed and can sell for reasonable prices, the extremely expensive ornamental koi fish that sell for hundreds of dollars each require years of experience in breeding and cultivating koi.
It is a good idea to start out small, and see how much you enjoy it and how successful you are. Some people find that a relationship with a koi fish can run very deep. Or you might find that it is more work than you had expected.
The next step is to find your fish supply. Most koi sellers breed their own fish, however, breeding is both time intensive and not always easy. However, if you do learn to breed the fish successfully, this often substantially widens your profit margin. You might even find that you are good at breeding, and begin breeding fancier types of koi.Koi fish generally mate sometime between April and July. Before you begin, make sure that your fish are not too young or too old. These fish may not breed as easily. The for female koi to become bloated she is carrying eggs. When you notice this, add one similar-sized male koi to the pond. Willows or synthetic brush dipping submerged in the water will give the koi a natural area to nest in. When the koi do breed, the water in the pond will appear cloudy and will even smell bad. After the eggs are laid, you will have to take them out of the water and into a properly set up indoor aquarium or else the adult koi will eat them. Within a week, the eggs will hatch, and you will need to feed them as much as five times a day for the first few months. Once they are large, introduce them into the pond carefully, watching for the reaction of the other fish.
When you are ready to sell your fish, make sure you are well aware of how you are going to ship them. The last thing you want is for the buyer to receive a dead fish in the mail. Shipping a live animal can be tricky, but it is doable. There are several options, from carefully packaging the fish yourself to hiring people who specialize in this exact thing.