Figure 4

Micrographs of Gyrodactylus yacatli collected from Chiapas, Jalisco, Sinaloa, Oaxaca and Veracruz. (A) Hamuli complex. (B) Dorsal bar. (C) Ventral bar. (D) Marginal hook at a glance. (E,F) Marginal hook sickle. (G) Male Copulatory Organ (MCO) (star denotes principal hook and numbers denote the spines).