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Black marks have appeared on goldfish. One has died, others have the marks!!
Hi
This morning one of our goldfish was dead. Other than 2 black marks on his head he seemed quite normal. Our pond is a garden pond about 6 x 4 x 4. It contains about 40 goldfish and apart from cleaning and feeding the pond is left very much alone. The pond has been going for about 10 years with no serious problems. The thing that worries me now is that 2 other fish have black marks although they look quite healthy. I know I have seen discoloration before on the fish so I'm not sure if the black marks are related to the death of the fish. Any help much appreciated. Thanks. |
Black marks have appeared on goldfish. One has died, others have the marks!!
wrote in message ... Hi This morning one of our goldfish was dead. Other than 2 black marks on his head he seemed quite normal. Our pond is a garden pond about 6 x 4 x 4. It contains about 40 goldfish and apart from cleaning and feeding the pond is left very much alone. Cleaning? You didn't say how many gallons your pond is but it sounds overcrowded to me. You need to allow 15 to 20 gallons per goldfish and have decent filtration/aeration. What is the PH and hardness of the water? What are the ammonia, nitrite and nitrate readings? The pond has been going for about 10 years with no serious problems. The thing that worries me now is that 2 other fish have black marks although they look quite healthy. I know I have seen discoloration before on the fish so I'm not sure if the black marks are related to the death of the fish. Any help much appreciated. Thanks. -- KL.... Frugal ponding since 1995. My Pond & Aquarium Pages: http://tinyurl.com/9do58 ~~~~ }((((* ~~~ }{{{{(ö ~~~~ }((((({* |
I recollect black marks developing being a sympyom of an ammoni-x burn you might want to check the NO2, NO3, NH3 and NH4 readings. Surf those and take appropriate action
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Black marks have appeared on goldfish. One has died, others have the marks!!
They may have suffered some trauma. I had two fantails that got stuck in
the plants and almost died. They showed those black marks for several months, but the fish were fine. Of course the trauma they suffered likely could have resulted in oxygen deprivation. I am just saying that it might not be a matter of your water quality. They could have gotten stuck in a plant pot or a rock or sucked up to the pump or something. good luck with them. "sean mckinney" wrote in message ... I recollect black marks developing being a sympyom of an ammoni-x burn you might want to check the NO2, NO3, NH3 and NH4 readings. Surf those and take appropriate action -- sean mckinney |
Black marks have appeared on goldfish. One has died, others have the marks!!
Just like to say thank you to all who offered help. It would seem that
the fish died of natural causes. This is borne out by the fact that no other fish seem poorly or have died and they seem happy enough. I've taken on board some of the suggestions in this thread especially the one concerning over crowding. Thanks again. |
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