During the present investigation (2005-2007) a total of 791 fishes belonging to 14 families, 10 genera and 18 species were collected from different localities of West Wharf, Karachi. During present studies 18 trematode species were identified out of which 11 belong to the Family Hemiuridae, including 5 species of the genus Lecithocladium Luhe, 1909; 4 species of the genus Tubulovesicula, Yamaguti, 1934; 1 species of the genus Stomachicola Yamaguti, 1934 (Bilqees, 1971) and 1 species of the genus Prosogonotrema Perez Vigueras, 1940 (Bilqees and Durrani, 1980). One species of each of the...