We have a 240L tank with gold fish, just your avaerage everyday gold fish.
There is one, a fan tail, that from time to time goes crazy, it comes to the
surface and then dive bombs the shingle in the bottom and skoots across the
shingle on his nose several times before screaming around the tank like a
crazy person in a rubber cell and then returns to the surface and repeats
the performance.....can go on for 2 or 3 minutes before the calm is restored
andhe swims as normal with the rest of them. It is not a regular happening.
Just wondering what is going on.
Cheers all.
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