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Orenji ogon's head

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  • Orenji ogon's head

    I have a nice Orenji ogon. He used to have a clean, unblemished head, until he bumped and scraped himself somewhere and now has a small (half-inch) patch of white on his head due to the injury he sustained. Will this white patch remain forever? Or will orange coloration eventually grow over the patch? Is there anything I can do (feed him) to encourage coloration and correct the white patch?
    Rex (Ray) Kawayazaki
  • #2

    It may remain white, or may gain some color over time, but likely will never be the same as the surrounding area. Such scrapes on the metallic skin of the hikari types often results in an area of less shine as well. What are minor scrapes from a health perspective have a major effect on show-worthiness, and are one of the reasons a near-perfect Ogon is a very rare animal. Every little thing stands out.

    Color food would not be much help. The absence of pigment cells in the scraped area is the cause. Color food can maximize the intensity with the pigment cells that develop, but does not induce an increase in chromatophores. Color food will exacerbate any variations in color intensity at the same time, leading to a bit of splotchiness over the body as a whole. Color foods are generally not good for metallics, IMO.

    You did not mention the age of your Ogon. If the koi is young, the chances of recovering some color are greater than if the koi is older. I have observed tosai Yamabuki seem to have a complete restoration of pigment. In the pond, they look fine. On close observation, as when bowled or in a show tank, variation in the scraped area is noticeable, although it may no longer look like a scrape... just an area that is 'different'.

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    • #3

      Of all the places to be injured, the head is the best for recovery of color. nothing is 100% it seems but because the head pigment plate stretches the least it tends to be the thickest and therefore has the best chance of returning. Time will tell...best of luck. my orenji ogon landed on thanksgiving from japan.
      Dick Benbow

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      • #4

        Originally posted by dick benbow View Post
        Of all the places to be injured, the head is the best for recovery of color. nothing is 100% it seems but because the head pigment plate stretches the least it tends to be the thickest and therefore has the best chance of returning. Time will tell...best of luck. my orenji ogon landed on thanksgiving from japan.
        Dick...
        My favorite fish is orengi ogon....I have 3 of them...GR doitsu RG and doitsu...no wagoi normal...
        I would love to have a look at yours...Pics please!!!!

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        • #5

          Originally posted by Yamato View Post
          Dick... My favorite fish is orengi ogon....I have 3 of them...
          GR doitsu RG and doitsu...no wagoi normal...
          I would love to have a look at yours...Pics please!!!!
          Can we see a picture of yours?

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          • #6

            Mine are still babies...and I just got a new camera...so this are old pictures...tomorrow I will take some new photos...and post again...but for now this is what I have:
            The little one is bright orange almost red...but on the picture it looks yellowish...
            Attached Files

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            • #7

              Remember...there are no koi for sale here...and this are the first ever koi I bought...so I was a newbie...and I had to buy them from one shop only dew to the import permits...

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              • #8

                This is the koi I saw in SA at a pond...that made me to fall in love with orengi ogon.
                I took the pictures...
                The last one is a chagoi...very nice one.
                Attached Files

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