Parapharyngodon tikuinii sp. n. SEM microphotographs. A Male, oral opening B Female, oral opening C Male, posterior end, ventrolateral view D Male, anterior end showing lateral alae, lateral view E Female, posterior end, ventral view F Egg. Scale bars = (A) 0.05 mm, (B) 0.015 mm, (C) 0.025 mm, (D) 0.1 mm, (E) 0.1 mm, (F) 0.015 mm.