Narrator J. tells this story in Chapter XVII. Here are some suggestions for Qs and As.
Q: Where does this encounter take place?
A: At a river-side inn in Wallingford.
Q: What species of fish is on display in the glass case? What species does the narrator J. think it is, at first, and why?
A: A trout; although J. thinks at first that it is a cod because it is quite large.
Q: How many fishermen (including the innkeeper) tell J. and George stories about how they landed the fish?
Q: What happens to the glass display case?
A: George accidentally knocks it to the floor, and it breaks open.
Q: What kind of fish is it, really?
A: A fake one, made out of plaster-of-Paris.
Q: What stereotype is furthered by this story?
A: That all fishermen like to exaggerate and to tell tall tales about their catches.