Pick one of the following: snow crab legs (2 clusters) (520 cal) or snow crab leg (1 cluster), plus 1 lobster tail (410 cal). Then pick 2 of the following: 1 lb clams (400 cal), 1 lb shrimp (540 cal), 1 lb New Zealand mussels (880 cal), 1 lb black mussels (780 cal), 1 lb crawfish (400 cal).