While there are many foods that go by different names in the U.S. than in the rest of the English speaking world, no linguistic dichotomy gets more attention than shrimp vs. prawns… Shrimp vs Lobster. We here at Bunny Ears care about your ability to enjoy hors d’oeuvres on your next mega-yachting vacay without fretting about making an embarrassing shrimp-related faux pas, so read on to make sure you know the facts. Prawns vs. Shrimps! Their disparities are a lot easier to distinguish than comparing a lobster … Shrimp’s legs are shorter than Prawn’s legs. I just find lobster tastes better to me. While Prawn have claws on three pairs of their legs. First off a Prawn is just a large shrimp so they taste the same and lobster tastes the best to me. Size Matters. Differentiating a shrimp from a lobster is actually very easy. By simply looking at them side by side, even an elementary kid can spot that one is a shrimp and not a lobster and vice versa. The easiest way to distinguish prawns from shrimps and vice versa is size. Shrimp vs Prawn - Some Major Differences. Shrimp have claws only on two pairs of legs. Shrimp have claws on two of their legs, and the second segment of their shell overlaps the first and third shell segments. as long is between 1.5 and 2,5 lbs. Shrimp, the more petite crustacean, live in saltwater.To tell if your crustacean is a shrimp, there are a few small but distinguishing details to look for. Generally, Shrimp are smaller than Prawn, but in some cases prawn can be small and shrimp can be big.