Garra arupi, a new cyprinid fish species (Cypriniformes: Cyprinidae) from upper Brahmaputra basin in Arunachal Pradesh, India

Authors

  • K. Nebeshwar
  • W. Vishwanath
  • D.N. Das

DOI:

https://doi.org/10.11609/JoTT.o1842.197-202

Abstract

Garra arupi, a new cyprinid fish species is differentiated from its congeners along the base of the Himalaya in Brahmaputra basin by a combination of characters: two pairs of barbels, anterior position of vent (vent to anal distance 52.6-60.0% pelvic to anal distance), a band of 6-9 prominent horny tubercles on the tip of the snout, a submarginal black band on the dorsal fin, and 16 circumpeduncular scales. It is similar to G. kempi in having an anterior position of the vent, and similar to G. lissorynchus in having a distinct submarginal band on the dorsal fin. Garra arupi differs from G. kempi in having 35-36 (vs. 40-42) lateral line scales, 11-12 (vs. 13-14) predorsal scales, 16 (vs. 12) circumpeduncular scales, the presence of a distinct submarginal band on the dorsal fin (vs. absence), the presence of a transverse band of tubercles on the snout tip (vs. absence), and the presence of 7-8 thin stripes on the caudal peduncle (vs. absence). Garra arupi differs from G. lissorynchus in having 11-12 (vs. 14-15) predorsal scales, 7 (vs. 6) branched dorsal fin rays, 5 (vs. 4) branched anal fin rays, the absence of a W-shaped color band on the caudal fin (vs. presence), the absence of a rostral lobe on the snout (vs. presence), the presence of a transverse band of tubercles on the snout tip (vs. absence), and a vent to anal distance 52.6-60.0 (vs. 37.3-40.2 %) pelvic to anal distance.

Author Biographies

K. Nebeshwar

K. Nebeshwar is Research Associate in UGC sponsored Centre of Biodiversity of Rajiv Gandhi University, Arunachal Pradesh. He is well versed with fish taxonomy and is actively engaged in fish fauna exploration and description of new taxa in the region.

W. Vishwanath

W. Vishwanath is a Professor in the Department of Life Sciences, Manipur University. His field of specialization is fish and fisheries. He is at present engaged in taxonomy and systematics of freshwater fishes of northeastern India.

D.N. Das

D.N. Das is Reader and Head of Zoology Department of Rajiv Gandhi University, Arunachal Pradesh. He is engaged in fish and fishery teaching and research in the region.

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Published

26-04-2009

Issue

Vol 1, No 4 (2009)

Section

Articles

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