Fig. 15 in Rhabdochona angusticaudata sp. n. (Nematoda: Rhabdochonidae) from the Japanese eel Anguilla japonica, and new records of some other nematodes from inland fishes in Japan

Fig. 15. Eustrongylides sp. larva from Channa argus (Cantor), scanning electron micrographs of cephalic end. A – apical view; B – sublateral view. Abbreviations: a – cephalic papillae of inner circle; b – cephalic papillae of outer circle; c – mouth opening.