Turkey was the traditional food for xmas here in Australia but then someone realised xmas here was the middle of summer and hot. They also realised seafood would be a good compromise if pre cooked and eaten cold.
The point of all this is seafood is most popular here with 170 tons being sold at one market in Sydney the day before xmas. I live in canberra and the fish shops had lines with a hundred people and a serving ticket as the shopper went through the threshold to be served.
I lined up seemed like two hours but I'm sure it was a bit less. I got prawns big ones, beautiful lobsters, morton bay bugs and oysters. All for about 300 bucks. i blew the buget for the week but then doesn't everyone at xmas. We are still trying to finnish it all off.