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Old 05-09-2011, 01:47 PM   #9
GiantGourami
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u can mix them if the goldfishes you mentioned are streamlined like comets or shubunkins, but if they are fancy goldfishes then its a no go. other than competition for food, the faster swimming koi will stress out the slower moving goldfish. Also as mentioned by the bros your smaller koi will eventually outgrow your goldfishes and may cause more stress and damage to them. Gd luck
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