Abstract
A new cyprinid fish, Parapsilorhynchus swaini sp. nov., is described based on specimens collected from a stream nearHarisankar, Mahanadi River basin of Odisha, India. It differs from other species of the genus in having following combinationof characters: elongated and slender body (depth at dorsal fin origin 16.9-18.7% SL); narrow and slender head (width60.0-68.7% HL, height at occiput 40.0-50.0% HL); narrow inter orbital space (46.6-50.0% HL); 33-34 lateral line scales; 3simple pectoral fin rays, poorly developed callous pad behind lower lip which is not delimited posteriorly, pectoral fin longerthan head length, presence of tubercles on snout and a black bar on the anal fin. With the description of this new species,distributional range of the genus Parapsilorhynchus is extended further north in the Eastern Ghats to the Mahanadi Riverdrainage of Odisha.
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