How big is the tank your friend is setting up? I doubt it will be big enough to house the fish properly.
The common/comet fish would be better off in a pond as they can get really big. If they are kept in a tank they will probably need 80 gallons upwards for 4 of them.
You could keep 3-4 of the fancy goldfish in your tank. The other 2-3 will need a tank of 30 gallons (just for them).
You still then have 15 minnows to rehome (not sure what size tank they would need, maybe another 30G?)
and then you still have 2 unknown pink fish (which could really be anything) and the stripey one.
I doubt your friend will have the capcity for these fish. You are better off taking at least the commons/comets back to the lfs (or dontating them to someone with a pond).
what are you water stats (ammonia, nitrite, nitrate, pH)? for the third time,
do you have a test kit? if not get one asap.
how often are you doing water changes? and what filtration do you have?
The common/comet fish would be better off in a pond as they can get really big. If they are kept in a tank they will probably need 80 gallons upwards for 4 of them.
You could keep 3-4 of the fancy goldfish in your tank. The other 2-3 will need a tank of 30 gallons (just for them).
You still then have 15 minnows to rehome (not sure what size tank they would need, maybe another 30G?)
and then you still have 2 unknown pink fish (which could really be anything) and the stripey one.
I doubt your friend will have the capcity for these fish. You are better off taking at least the commons/comets back to the lfs (or dontating them to someone with a pond).
what are you water stats (ammonia, nitrite, nitrate, pH)? for the third time,
do you have a test kit? if not get one asap.
how often are you doing water changes? and what filtration do you have?