Abstract
Barilius profundus, a new species of bariline cyprinid fish is described from the Koladyne River, Mizoram, India. It is distinguished from congeners in having the following combination of characters: great body depth at dorsal-fin origin (32.0â-37.3 % SL), 17â18 pre-dorsal scales, 7â10 dark blue bars on the sides of the body, 30â32 + 2â3 lateral line scales, ½7/1/2½ lateral transverse scales and 12 circumpeduncular scales. Key to species of Barilius of northeastern India is provided.
Highlights
Fishes of the genus Barilius Hamilton are characterised by a compressed body, blue-black bars or spots on the body and dorsal fin inserted behind the middle of the body (Hamilton 1822)
Thirteen species of the genus are hitherto known from the Eastern Himalaya region (Vishwanath et al 2010)
Collections from the river include an undescribed species of Barilius which is described as a new species
Summary
Fishes of the genus Barilius Hamilton are characterised by a compressed body, blue-black bars or spots on the body and dorsal fin inserted behind the middle of the body (Hamilton 1822). Paratypes: 4 exs., 55.2–67.7 mm SL, data as for holotype, MUMF 27002-27005; 8 exs., 30.xi.2008, 50.9–69.9 mm SL; Koladyne River at Kolchaw, Lawntlai District, Mizoram, India, coll.
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