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Strange gill problem

 






 


quadrantid2
New User

May 26, 2008, 9:24 AM

Post #1 of 3 (305 views)
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Strange gill problem Can't Post

Hi, I am new to this forum, please help,

Our 7yr old koi has an unusual problem. It started as a standard problem of isolating and staying near the top of the water. Water conditions are very good: ammonia, nitrite, nitrate, pH all good. We treated with an antibacterial (with frequent partial water changes) and when that didn't work, eventually switched to an antifungal treatment (not at the same time). During the course of this treatment, his veins became very red and enlarged in his skin and he refused to eat. Then it became hard for him to close his mouth all the way (although it isn't an obvious swelling of the gills) and strings of mucous were visible. Still all of this seems like symptoms I've read before and wasn't worried until he spit out what appears to be an internal structure related to the gills. This is not the red inner part of the gill, but something even more internal? It was white, about 1 inch long with ribbing that is reminiscent of some type of internal filter.

Fish is not doing well and will probably die very soon. I have no idea anymore what's wrong. Does anyone know what he spit out? What should I do for the other fish so they don't have a problem?

Thank you in advance for any help or advice. P.S. I don't think it's flukes based on other fish, but I don't have a microscope to rule out for sure.


koi@kit
Senior Member


May 27, 2008, 8:23 AM

Post #2 of 3 (271 views)
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Re: [quadrantid2] Strange gill problem [In reply to] Can't Post

hi there..

sound like gill fluke to me.. i might b wrong..try get <interpet> koi anti parasite if its gill fluke, very effective..

good luck


needucho
Koi Lover

May 28, 2008, 3:13 PM

Post #3 of 3 (249 views)
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Re: [quadrantid2] Strange gill problem [In reply to] Can't Post

it hard to indentify what kind of parasite without a scope, however as you described, i believe it is a bacteria attack problem. the string of mucus fall out is a result of dead mucus have lost a battle with bacteria, koi stay near the water surface means it need badly oxygen. the gill have been blocked with dead mucus and he try to swallow it then spit it out. all chemical that you add to the pond have caused more stress to tho fish, things get worst and bacteria have upper hand: redness appears under the skin means koi have rush all his blood to the infected aera to help.
You need to replace 100% water to reduce bacteria content and clean filter real well. Use a wet towel with hydrogene piroxide (sold at all pharmacy store), clean the fish all aound his body to elininate bacteria, do not use any more than necessary, it may burn the fish skin.
Salt the pond to .3% do not add any chemical. the fish is verry weak now, chance of survive depend on water quality now. alway keep pond and filter clean, clean and clean, that is where bacteria flourish.
samantha

 
 
 



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