The endohelminth community of the Mayrán carp, Gila conspersa, collected in the Aguanaval river basin, Central Mexico, was described at the infracommunity and component community levels. Helminth fauna consisted of the species Bothriocephalus acheilognathi, Rhabdochona canadensis, and a Spiroxys species. Among them, the introduced tapeworm species B. acheilognathi was the most frequent and abundant species while remaining taxa were rare and found at low mean abundance values.