There are many fish who fertilize eggs after they have been laid, I think that's where some folks get confused about chicken & other bird eggs, thinking they are fertilized in that same way. When you think about it, it's really an amazing procedure, a miracle that any baby birds are made at all!
That's a common question, it's really an amazing process! That's a good article in the earlier link, and here's where your question is answered: Infundibulum (or funnel) located adjacent to the ovary and with long segments enclosing the ovary, the infundibulum collects the yolk after its...