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A Novel Species of Sisorid Catfish, Pseudecheneis nagalandensis sp. nov., (Teleostei: Sisoridae) from the Chindwin Basin of Nagaland, India


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1 Zoological Survey of India, Freshwater Fish Section, 27 J.L Nehru Road, Kolkata - 700016, West Bengal, India
 

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A novel sisorid catfish, Pseudecheneis nagalandensis sp. nov., collected from the Tizu River, Chindwin Basin, Nagaland, northeast India is described. This new species differs from its congeners due to the presence of a long ray of pelvic fin that extends up to anal-fin origin, slender caudal peduncle and the thoracic adhesive apparatus with 13−14 transverse ridges which are separated by grooves. This is the only species of the genus Pseudecheneis currently known from Nagaland.

Keywords

Fresh Water Catfish, Nagaland, New Species, Tizu River.
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  • A Novel Species of Sisorid Catfish, Pseudecheneis nagalandensis sp. nov., (Teleostei: Sisoridae) from the Chindwin Basin of Nagaland, India

Abstract Views: 790  |  PDF Views: 239

Authors

Bungdon Shangningam
Zoological Survey of India, Freshwater Fish Section, 27 J.L Nehru Road, Kolkata - 700016, West Bengal, India
Laishram Kosygin
Zoological Survey of India, Freshwater Fish Section, 27 J.L Nehru Road, Kolkata - 700016, West Bengal, India

Abstract


A novel sisorid catfish, Pseudecheneis nagalandensis sp. nov., collected from the Tizu River, Chindwin Basin, Nagaland, northeast India is described. This new species differs from its congeners due to the presence of a long ray of pelvic fin that extends up to anal-fin origin, slender caudal peduncle and the thoracic adhesive apparatus with 13−14 transverse ridges which are separated by grooves. This is the only species of the genus Pseudecheneis currently known from Nagaland.

Keywords


Fresh Water Catfish, Nagaland, New Species, Tizu River.

References





DOI: https://doi.org/10.26515/rzsi%2Fv120%2Fi2%2F2020%2F147555