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Abstract

ABSTRACT  New nematode species of genus Rhabdochona collected form host catfishes Rita rita of Indus River, Jamshoro, Sindh, Pakistan. Collected nematodes were processes with standard method for feature research. New species Rhabdochona (Rhabdochona) sindhicus differs from other species of genus with body shape and size, buccal capsule shape, prostomal teeth arrangement, nerve ring position, 18 pairs of caudal papillae, spicules shape curved and broad anteriorly and pointed posteriorly, female genital structures, shape of posterior end in male and female, eggs shape and boundary. Due to morphometric differences between present and previously described species of Rhabdochona the Rhabdochona sindhicus n. sp. proposed.