摘要:This study is a survey of helminths of the yellowtail snapper, Ocyurus chrysurus, collected in the islands deEnmedio and Anegada de Afuera reefs, Veracruz, Mexico. Nineteen species were found in fish collected in Anegadade Afuera reef: 9 digeneans (7 adults, and 2 metacercariae); 5 nematodes (2 adults and 3 larvae); 3 monogeneans;1acanthocephalan (adult) and 1 cestode (larva); while in the Isla de Enmedio reef 15 of these species were recorded.7 species are new records for this host, increasing from 17 to 24 species known in the Gulf of Mexico and theCaribbean.