Moon crab

Moon crab can refer to several crab taxa:


 * Family Matutidae
 * Gecarcinus quadratus from coastal Pacific regions between Mexico and Ecuador
 * Gecarcinus lateralis from coastal Atlantic regions between Florida and Guyana
 * Cardisoma [species]:
 * C. armatum from Africa
 * C. carnifex from Africa and the Indo-Pacific
 * C. crassum and C. guanhumi from the Americas