The male will be less colorful than the primate
Yes, in the summer months. If you have an aquarium with a heater, turn the heater down to colder temperatures (remember goldfish can live in freezing temperatures, surviving fierce winters in outdoor ponds, although I wouldn't recommend putting your goldfish through that if it's avoidable.) and after your aquarium water is cold for roughly a month begin to heat the water back up (do this gradually over 2 weeks or so as to not cause shock to them) and then when the water is hot they'll believe it's summer and it'll be egg-makin' time! Do some research on what kind of conditions a fry(baby goldfish) needs to survive. but that's the basics of it. Time of year is a factor!
"Ichthyologists have known for a long time that this isn't true,
and in 2003 Dr Phil Gee, of the School of Psychology at the
University of Plymouth, published research which blew it out of the
water. Fish have a memory span of at least three months, and can
distinguish between different shapes, colours and sounds."
MythBusters tested this as well and found that it was not
A pond should be three feet deep for a fish to overwinter. This ensures that they are not harmed if there is severe ice.
Goldfish are common feeder fish at pet stores. Most meat eating fish, frogs, and turtles will eat baby gold fish.