Fig. 2From: 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 HighlandsHaptoral armature and male copulatory organ of Gyrodactylus tomahuac n. sp. ex Goodea atripinnis. a Hamuli and dorsal bar. b Marginal hook. c Ventral bar. d-e Marginal hook sickles. f Male copulatory organ (MCO). g Line drawing of the hamulus complex. h Line drawing of the marginal hook sickle. i Line drawing of the MCO. Scale-bars: a-c, g, 5 μm; d-f, h-i, 3 μmBack to article page