Fig. 1From: To each his own: no evidence of gyrodactylid parasite host switches from invasive poeciliid fishes to Goodea atripinnis Jordan (Cyprinodontiformes: Goodeidae), the most dominant endemic freshwater goodeid fish in the Mexican HighlandsMap of Central Mexico, showing locations where Gyrodactylus tomahuac n. sp. was collected. The red star shows the type-locality of G. tomahuac n. sp. at Vega de RamÃrez, RÃo Moctezuma, Querétaro (Qro). RÃo Moctezuma is a tributary of the RÃo Pánuco (shown in blue), the only major river from the Mesa Central (MC) that drains into the Gulf of Mexico. Locations where G. tomahuac n. sp. and other gyrodactylids were collected from Goodea atripinnis in the RÃo Lerma-Santiago basin, which drains the MC into the Pacific Ocean, are shown with letters: A, Araro, Michoacán; C, Lago de Chapala, Jalisco; F, El Fresno, Guanajuato; M, San Miguel Tlaxcaltepec, Qro; S, Santiago Mezquititlán, QroBack to article page