I want to visit!
Curious, you wrote crayfish (lobster)… What size are we talking? The crayfish we catch and eat from the local creeks are like 2-3 inches long and the more you eat the hungrier you get because there isn’t much in them!

I know others call them crawdads. Lobsters are what we go to the restaurant for and cost $20-40/tail.
I love shrimp, which I believe is very similar to your prawn. Red Lobster (restaurant here) has “Endless Shrimp” for under $20 and we go there quite often, I think my record is 210 shrimp 😂