The present investigation is the study on helminth fauna from economically important edible food fishes of Lucknow, Uttar Pradesh. The various species of digenetic helminth parasites recovered from river Gomti. Some species identified were older with known information and few are newly identified for Science stream. The current paper involves the detailed description and study of these new species Orientocreadium lucknowensis sp.nov found in the intestine of Clarius batrachus (Jord.). This species ahs the properties like body aspinose instead of spinose and extension of vitellaria from anterior level of ovary up to hind end of body instead of middle of ventral sucker up to posterior end of body. These differences are considered as specific variation, thus the species designated as a new species with specific name Orientocreadium lucknowensis sp. nov.
Fishes are good source of quality protein, but various diseases including parasitic infections pose a threat to fish health. Several reports reveal that consumption of undercooked fishes serve as potent source of infection to humans and they are widely distributed across the world. This paper is an approach to add on to the sparse knowledge of Orientocreadium Tubangui, 1931 of fresh water fishes from the river Gomti, Lucknow, Uttar Pradesh (India). Many Indian as well as foreign workers have collected more efficient and adequate knowledge about Orientocreadium Tubangui, 1931. During the survey of helminth parasites, collected four different species of the genus Orientocreadium were found, out of these one is new and other species are redescribed. The new species which are found in the intestine of fresh water fish Clarius batrachus (Jord.).
Thus on account of above mentioned differences as against all those described earlier, the present form deserves the status of a new specific name Orientocreadium lucknowensis sp. nov.
Authors are thankful to Head, Department of Zoology, University of Lucknow, Lucknow for providing laboratory facility and Prof K.C. Pandey, Ex-Vice Chancellor, Meerut University and Ex– Head, Department of Zoology, University of Lucknow for giving important suggestions and encourgement during the work.
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