Fig. 3

Scanning electron micrographs of the cephalic extremity and tail of ascaridoid larval morphotypes isolated from Conger myriaster (Brevoort) (Anguilliformes: Congridae) caught in the Zhoushan Fishery, China. a, b Anisakis type I of Berland (1961) [23] (excretory pore arrowed). c, d Hysterothylacium larval type of Guo et al. (2014) [27]. e, f Hysterothylacium larval type of Smith (1983) [24]. g, h Hysterothylacium larval type of Li et al. (2012) [25]. i, j Hysterothylacium larval type IV of Shamsi et al. (2013) [26]. k, l Raphidascaris larval type of Zhao et al. (2016) [22]