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Tuesday, September 30, 2008

A Small Black spot

MY KOI HAS A SMALL BLACK SPOT. THE SPOT IS SITUATED BETWEEN THE TOP FIN AND THE TAIL. IS IT SOMETHING YOU SHOULD BE CONCERNED ABOUT? IF SO WHAT DO I TREAT IT WITH? -KEITH

The black spot is probably what the Japanese call a shimi, a small discoloration. Shimis are a genetic flaw that are hard for the breeders to get rid of. They seem to be more prevalent on Koi that live in hard water. Watch your Koi with the black spot, if it starts acting funny, (ie. isolating itself, flashing, not eating), then it could have a serious health problem.

Shimis themselves are completely harmless.

Raccoons and Koi

Which is a better way to protect your fish from raccoons, a Koi dome or a net over the pond? -Daniel

I think a net would be harder for a raccoon to get through. I believe that a raccoon could easily carve a hole in the platic siding of a Koi dome with its claws, while a net would confuse them.

Moving Koi

How can I move my Koi from one pond to another without make them stressed? -Dan

It is nearly impossible to handle a Koi without causing at least a little amount of stress. The best, low stress, way to move them would be to net them quickly, with as little chasing as possible, After you have caught your Koi, put him in a bag or a suitable container and float it in the destination pond for about 20 minutes or until the temperature has equalized. After that, scoop the Koi out with your hand and release it into the other pond.

Things to remember:

  1. Make sure you dump the water in the container somewhere other than in the pond, it contains ammonia and is not healthy.

  2. Be gentle with your Koi, rough handling causes stress.

  3. Don't ever lift the net out of the water with the Koi in it, use your hands or a sock net (sock nets have a very fine mesh which will not damage a Koi).