The trigger for them to come into breeding condition is the temperature rising to above 65F. They usually spawn at dawn in late springtime as the temp approaches 70F
Goldfish do lay eggs. The eggs will attach to something in the tank or bowl until they hatch.
when you get it a mate.
Goldfish are egg layers
Yes. Laying eggs is how they reproduce.
Yes.
yes
yes they can!
Yes.
goldfish need to lay eggs. Because if they don't no goldfish would be alive and would not be any more so they would become gone forever.
Fish lay eggs.
If it is as old as a goldfish that can, it can.
Of course! Goldfish reproduce sexually not asexually