Glyptothorax distichus, a New Species of Catfish (Teleostei: Sisoridae) from Mizoram, North-Eastern India

Authors

  • Laishram Kosygin
     Zoological Survey of India, Freshwater Fish Section, 27 J. L. Nehru Road, Kolkata – 700016, West Bengal
  • Pratima Singh
     NIS Management Ltd., 489, Madurdah, Kalikapur, Kolkata – 700107, West Bengal
  • S. D. Gurumayum
     Zoological Survey of India, Arunachal Pradesh Regional Centre, Senki Valley, Itanagar - 791113, Arunachal Pradesh

DOI:

https://doi.org/10.26515/rzsi/v120/i1/2020/147937

Keywords:

Glyptothorax distichus, Mizoram, New Species, Tlwang River.

Abstract

A new sisorid catfish, Glyptothorax distichus, is described from the Barak-Meghna-Surma drainage in Mizoram, North-east India. It is distinguished from its congeners in having a combination of the following characters: a chevron-shaped thoracic adhesive apparatus, with poorly developed median depression that is widely opened posteriorly by skin ridges; short dorsal fin spine; short and slender caudal peduncle; unculiferous ridges of adhesive apparatus not extending anteriorly onto gular region; absence of plicate on ventral surfaces first pectoral and pelvic fins rays, smooth skin on head and body; presence of two broad pale cream longitudinal stripes on body; and 20 + 17 Vertebrae.

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Published

2020-03-30

How to Cite

Kosygin, L., Singh, P., & Gurumayum, S. D. (2020). <i>Glyptothorax distichus</i>, a New Species of Catfish (Teleostei: Sisoridae) from Mizoram, North-Eastern India. Records of the Zoological Survey of India, 120(1), 25–32. https://doi.org/10.26515/rzsi/v120/i1/2020/147937

Issue

Volume 120, Issue 1, 2020

Section

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