Population density of the land crab Cardisomacrassum Smith, 1870 (Decapoda: Gecarcinidae) in the estuary El Salado, Puerto Vallarta, Jalisco, Mexico

Horacio VÁZQUEZ-LÓPEZ* , Fernando VEGA-VILLASANTE , Asela del Carmen RODRÍGUEZ-VARELA and Adolfo CRUZ-GÓMEZ