22, Thaparotrema akbari new species of genus Thaparotrema Gupta, 1955 from host Rita rita (Siluriformes: Bagridae) of River Indus Sindh Pakistan
Abstract
During current study on order Siluriformes belong to diverse group of ray-finned fishes. Rita rita Siluriformes catfish collected from River Indus Jamshoro, Pakistan were bought to Parasitology laboratory of zoological department. Fishes were dissected for examined of helminth parasites. Total 12 specimens of genus Thaparotrema were collected from gallbladder of hosts and processing through standard method. Diagram were made and identify with the help of keys and literature. The new species Thaparotrema akbari identified on the basis following differential characters having large body size, elongate and narrow shape, oral sucker elongate and egg shape, ventral sucker wheel shaped, pharynx oval shape, anterior testis rounded to quadrangular in shape, posterior testis pentamerous in shape with broad anterior and narrow posterior end, ovary heart shape or triangular, seminal receptacle quadrangular tube shape and vertical in position, uterine coils almost overlapped caecum and whole middle region of body, vitelline are in small follicle.
Keywords: Catfish; Indus Rive; Rita rita; Siluriformes; Trematodes; Thaparotrema akbari
