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the goldfish that is being chased might be a female goldfish where as the others are male goldfish, so the female one gets battered around the tank and the fins and tail might shred it is a good idea to separate the single fish so it wont be attacked.

i know this cause my Goldfish do the same XD

Look for white dots on the cheek of fish that r chasing the other one.

if it does have white dots its a Male

hope that helped :)

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14y ago

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