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#1
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Strange growth on koi's head
My parents have an approximately 5,000 gallon backyard pond stocked
with goldfish and a few koi, maybe 8 fish in all. The weather has been getting warmer, so they did the recommended spring mucking out today and transferred all the fish to a 55 gallon bucket so the pond could be drained. Then Mom noticed the largest of the koi (about 20") had a strange, gray colored growth on the top of its head, about the size of a dime. They asked me to come over and look at it since I have aquariums (they're all sal****er except one freshwater tropical community tank), so to make them happy I came over and had a look. This fish is at least 10 years old and quite tame. He eats right out of your hand, so they are really fond of him. I got to examine the fish when it was in the bucket, and feel the lesion. It's right on the crown of his head and almost looked like skin that had been peeled back, and some of it came off as the fish moved around. The fish is orange and black, so the gray bump on his head looks really odd. It didn't look like fungus or ich to me. Maybe an injury? The pond has been set up for over a decade, and this is the first time there has been any problems like this. None of the other fish have any similar lesions. They didn't want to stress the fish out too much, so the fish were all returned to the pond once it had been refilled. What would be the best method of treating the fish, since my parents don't want to lose him? |
#2
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Strange growth on koi's head
"Arklier" wrote in message oups.com... It's right on the crown of his head and almost looked like skin that had been peeled back, and some of it came off as the fish moved around. ============== Does it look waxy? -- Koi-Lo.... Frugal ponding since 1995. My Pond & Aquarium Pages: http://tinyurl.com/9do58 ~~~~ }((((* ~~~ }{{{{(ö ~~~~ }((((({* |
#3
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Strange growth on koi's head
The flesh that sloughed off looked kind of white and pasty, yeah. Best
thing I can compare it to is the flesh of trout raised at a hatchery. Firm, but opaque and colorless. The middle of the sore was definitely gray, though. Like dead flesh on a live animal. |
#4
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Strange growth on koi's head
yes, it could be a scrape. fish heal very fast. it could also be lymphocystis which
is a virus and wont really hurt the fish, just doesnt look great. if the fish had nice slime coat, gills were bright cherry red and the water parameters are good then just add a bit of salt to the pond, like 0.9lbs per 100 gallons of pure rock salt no additives. just once. Ingrid "Arklier" wrote: My parents have an approximately 5,000 gallon backyard pond stocked with goldfish and a few koi, maybe 8 fish in all. The weather has been getting warmer, so they did the recommended spring mucking out today and transferred all the fish to a 55 gallon bucket so the pond could be drained. Then Mom noticed the largest of the koi (about 20") had a strange, gray colored growth on the top of its head, about the size of a dime. They asked me to come over and look at it since I have aquariums (they're all sal****er except one freshwater tropical community tank), so to make them happy I came over and had a look. This fish is at least 10 years old and quite tame. He eats right out of your hand, so they are really fond of him. I got to examine the fish when it was in the bucket, and feel the lesion. It's right on the crown of his head and almost looked like skin that had been peeled back, and some of it came off as the fish moved around. The fish is orange and black, so the gray bump on his head looks really odd. It didn't look like fungus or ich to me. Maybe an injury? The pond has been set up for over a decade, and this is the first time there has been any problems like this. None of the other fish have any similar lesions. They didn't want to stress the fish out too much, so the fish were all returned to the pond once it had been refilled. What would be the best method of treating the fish, since my parents don't want to lose him? ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ List Manager: Puregold Goldfish List at http://weloveteaching.com/puregold/ sign up: http://groups.google.com/groups/dir?...s=Group+lookup www.drsolo.com Solve the problem, dont waste energy finding who's to blame ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ I receive no compensation for running the Puregold list or Puregold website. I do not run nor receive any money from the ads at the old Puregold site. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Zone 5 next to Lake Michigan |
#5
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Strange growth on koi's head
"Arklier" wrote in message oups.com... The flesh that sloughed off looked kind of white and pasty, yeah. Best thing I can compare it to is the flesh of trout raised at a hatchery. Firm, but opaque and colorless. The middle of the sore was definitely gray, though. Like dead flesh on a live animal. =========================== A sore? I hope this isn't ulcer disease. Check out the www.koivet.com site and see if you can find something similar there. I'm thinking of koi-pox but that may not be it. A picture would be very helpful. -- Koi-Lo.... Frugal ponding since 1995. My Pond & Aquarium Pages: http://tinyurl.com/9do58 rec.pond's FAQ are at: http://www.geocities.com/justinm090/faq.html ~~~~ }((((* ~~~ }{{{{(ö ~~~~ }((((({* |
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