Understanding supermarket sales of crawfish and potential competing crustacean products has the potential to assist the crawfish industry to refine its marketing strategies. A.C. Nielsen scanner data were used to develop a descriptive sales analysis of crawfish and competing crustacean product markets. Market shares, market trends and price fluctuations for different product forms of crawfish, crab, shrimp and lobster are presented for the period of 2005-2010. Markets for crawfish and competing products are described for different cities in the U.S. Discussions of potential effects of market specific demographics on consumption of crawfish and competing crustacean products are included.