Ochiba Shigure, or 'Autumn Leaves on the Water,' is a beautiful grey and bronze koi. Explore its traits.
Ochiba Shigure, often shortened to simply Ochiba, is a variety whose name poetically translates to "autumn leaves falling on the water." This name perfectly captures the aesthetic of the fish, which features a base color of grey (inherited from Soragoi) overlaid with patterns of bronze or copper-brown (inherited from Chagoi). The result is a stunning, natural-looking koi that evokes the peaceful imagery of a forest floor in October. Because it is a cross between the Soragoi and the Chagoi, the Ochiba possesses the same desirable traits as its parentage: a calm, friendly temperament and the potential for impressive growth. It is a highly social fish that often leads the way during feeding time, making it a favorite for those who enjoy interacting with their pets. The pattern on an Ochiba can vary wildly, from small, scattered spots to large, bold "steps" similar to those found on a Kohaku. The most prized koi feature a crisp contrast between the grey and the bronze, with the pattern ideally being balanced and symmetrical. A well-placed pattern on the head, sometimes loosely called a "tancho" when it is a single spot, can significantly increase the value and appeal of the fish. Additionally, many Ochiba exhibit a beautiful net-like (reticulated) pattern on their grey scales, which adds a layer of intricate detail to their appearance. There are also Gin Rin Ochiba, whose reflective scales add a sparkling, glitter-like effect (a scale trait rather than a metallic variety), making them shimmer under the sunlight. The Ochiba is a variety that appeals to the "wabi-sabi" aesthetic of Japanese culture—appreciating the beauty in the rustic, the natural, and the understated. It doesn't demand attention with neon colors, yet it consistently draws the eye with its sophisticated palette and graceful movement. For the koi keeper, the Ochiba offers a perfect blend of hardiness, personality, and artistic beauty, making it one of the most popular choices within the diverse Kawarimono category.
Keeping Ochiba koi in Southern California
Chagoi grow quickly and can pass 36 inches, and big fish are often the first affected when oxygen runs low. Strong, round-the-clock aeration matters most for large koi in a SoCal summer.
Summer is the main growing season, but every meal adds waste and uses oxygen. In very warm water, feed less rather than more.
Summer care for every koi in SoCal
- Warm water holds less oxygen, yet koi need more oxygen as the water warms. That makes summer the season when oxygen runs shortest.
- Oxygen is usually lowest around dawn, because plants and algae use it up overnight. In summer, keep air stones, waterfalls or fountains running day and night.
- When oxygen runs short, large fish are often the first affected. The bigger and faster-growing your koi, the more aeration matters.
- Published "ideal" ranges vary between sources, from about 59–77°F to 68–78°F. Most sources treat the low-to-mid 80s °F as the point where you should cut feeding, add shade and add aeration.
- At about 82°F and above, feed less than usual. Koi can lose their appetite at 86°F and above, so offer small amounts of an easily digested food and remove anything left uneaten.
- Shade part of the pond, but not all of it, from the afternoon sun. A shade sail, pergola or floating plants will do. Don't enclose the surface so tightly that air can't move over it.
- Inland SoCal is much hotter than the coast. NOAA's 1991–2020 normals give an average July–August afternoon high of about 95–97°F in Riverside, 83–85°F in Santa Ana and 75–77°F at LAX (air temperature). Inland ponds therefore need the heat measures above sooner and for longer.
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