Sorry to sound like a noob here but what is a tyheyre?
I misspelled "there". And you are no newb my friend. You are a very soon to be big time MFK (monster feeder keeper), once the goldfish start multiplying start culling the worst swimmers and the ones with less meat. You want plump, muscular and agile feeders for two main reasons: higher protein content and better exercise for the predator.
Good luck, keep us posted.
