Just in case you are not sure what these two are, these refer to fish. They may look similar in the beginning, but you need to look closely so that you can see the difference. The crappie is known to be larger and also heavier than the Bluegill. If you would look at the shape of the Bluegill, you will also notice that this is also a bit rounder. These fish are known to be very popular because they are used in order to catch and prepare different food products. Some say that between the two, the Bluegill tastes slightly better than the Crapper, which explains why people choose this more when they are looking for the right fish to cook.