shyurganespersad 的鑑定

This big dying carp was drifting just under the surface and when I tried to take it out it wriggled out of my hands into the wetland vegetation. When I recaptured it I placed it on the vegetation for the photo.

I removed it from the water to prevent contamination and let the water mongoose have a free meal. When I put it down in the grassland, there were numerous lice squirming out of the scales. I collected some which was probably 20-30 in my jar but there would have been more on the fish. This could have been the cause of death because I took a water sample and ammonia was almost zero.

EDIT: The cause of death was probably botulism type C as this year it affected birds and we found a fish with the same symptoms. Type C can affect carp.