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Can Koi and Goldfish Breed? – Decorative Ponds & Water Gardens Q & A

Can Koi and Goldfish Breed?

Can Koi and Goldfish Breed? Sheldon – Huntington, KY

Would That Make It A Koldfish?

Your fish have finally spawned and after what seems like eons of waiting they are starting to grow into full grown Koi…or Goldfish…or…what are they? Your newcomers seem to have unique new patterns and colors that are difference than their alleged parents, is it possible your Koi and Goldfish have crossbred?

While it is possible to crossbreed the two types of fish, it is fairly uncommon for the process to naturally occur in your pond. The outcome of such instances yields sterile offspring that are unable to reproduce. It is much more common to produce new colors and varieties of fish due to two different types of goldfish reproducing. While some pond owners are curious about the potential to crossbreed their fish, many more would be happy to just experience the spawning process even once in their back yard water garden regardless of the results. If it has not happened for you yet, make sure you are providing adequate habitat in the form of submerged plants so if your Koi do spawn the eggs and fry will have places to attach and hide to avoid becoming an easy meal (yes Koi will eat their own young). Furthermore, maintain a healthy water feature by providing adequate filtration, aeration, and beneficial bacteria. Using the products in a Pond Logic® DefensePAC® will give you a wide assortment of products that simplify your pond maintenance and promote a clean healthy environment. Click over to our Koi Spawning Blog for a little more insight on the matter.

Pond Talk: Have you ever experienced this phenomenon?

Water Hyacinth

Why is One of My Koi Is Bumping Into Another? – Water Garden Q & A

Picture of One Koi Bumping Another

Q: I have koi in my pond and one of them is constantly chasing the other fish by bumping and nuzzling the other fish on their bottom side in front of the tail and behind the ventral fin. Is there a reason for this behavior?

A: Yes there is a reason for this. The fish getting bumped into is a female carrying eggs, while the fish doing the bumping is the male. The male fish is trying to knock the eggs out of the female so it can fertilize them. This is very common, but it is best to keep an eye on the fish during these times to make sure no injuries happen. Also, if you would like the koi to have babies, I would suggest making sure you have a sufficient amount of bog and submerged plants. Koi are known to eat their own young and adding aquatic plants will create hiding spaces for the babies to allow them time to grow.

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