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Koi are ornamental varieties of the Amur carp, selectively bred for their vibrant colors and patterns. Originating in Japan, they are often kept in outdoor ponds and water gardens. Koi are highly valued, both for their aesthetic appeal and symbolic meanings in various cultures, particularly in Japan where they represent love and friendship. There are many varieties of koi, each distinguished by unique colorations and scale patterns, making them a popular choice for fish enthusiasts worldwide.
Length
~90" (max 120)
Weight
~16" (max 40)
Water
Fresh
Water Temp
1-30° F
Depth
2 ft
Bread
Corn
Worms
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Koi thrive in outdoor ponds with clean, well-oxygenated water and ample space to swim
They prefer slightly shaded areas to protect them from direct sunlight and overheating
Aquatic plants are beneficial, providing natural filtration and occasional shade
Koi are omnivorous, feeding on a mix of insects, plant matter, and specialized koi pellets, making their diet easy to manage
Koi typically spawn in late spring to early summer when water temperatures rise
Females lay eggs on submerged plants, which males then fertilize
After spawning, koi fry remain hidden among plants until they are large enough to join adult fish
Mature koi exhibit territorial behavior, often seen when establishing dominance during feeding times
