Non-shellfish Shrimp Substitutes?
Use a vegetarian alternative! I just ran across these recently myself, and I am finding the idea really intriguing. Not sure how they compare in flavor or texture, so your mileage may vary... http://www.vegecyber.com/cgi-bin/vege_item.cgi?detail=10416



(photo by Rainer Zenz, source)

Asian cultures have figured out how to make vegetarian and mock meats of all kind, since buddhism and vegetarianism in general is so common in their parts of the world. I love the diversity of it all.