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Yes my koi reproduce every year. All it takes is maintaining good water quality and providing adequate cover (plants, cracks between rocks etc .) to keep the fry from being eaten. Otherwise you have to use spawning mats and then remove the fertilized eggs from the pond and raise the fry in a separate fish tank until they are big enough to survive in the pond. For more information on koi and backyard fish ponds check out my link

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14y ago

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