RE: Lobster at Walmart
Langostino from South America has been available frozen, frequently in a brick, for some time. My Mom would use it to make a mixed seafood casserole. As I recall, it's slightly sweet, but not as sweet as lobster or, certainly, surimi (imitation crab, etc.), and pretty bland with more of a "swampy" than "oceany" flavor. IMHO it's closer in flavor to the pre-cooked God knows when crawfish we sometimes find up here in the North than to Homarus Americanus.
Anyone have a better way of describing it?