Katwate Unmesh, Paingankar Mandar S, Raghavan Rajeev, Dahanukar Neelesh
Bombay Natural History Society, Hornbill House, Opp. Lion Gate, Shaheed Bhagat Singh Road, Mumbai, Maharashtra 400 001, India; Email: unknown.
Systematics, Ecology & Conservation Laboratory, Zoo Outreach Organization (ZOO), 96 Kumudham Nagar, Vilankurichi Road, Coimbatore, Tamil Nadu 641 035, India; Email: unknown.
Zootaxa. 2014 Aug 1;3846(2):235-48. doi: 10.11646/zootaxa.3846.2.4.
Pethia longicauda, a new cyprinid fish, is described from Hiranyakeshi River, Krishna drainage, Maharashtra, India. It can be distinguished from congeners based on a combination of characters including: a long caudal peduncle, incomplete lateral line, absence of barbels, upper lip thick and fleshy, distinct lateral fold on snout, 22-24 scales in lateral series, 5-6 lateral-line pored scales, nine predorsal scales, 9-10 prepelvic scales, 15-17 preanal scales, ½3/1/3½ transverse scales, 11-15 pairs of serrae on the distal half of the last unbranched dorsal-fin ray, 11-13 branched pectoral fin rays, 4+26 total vertebrae, 4+5 predorsal vertebrae, 4+13 abdominal and 13 caudal vertebrae, body iridescent silver in color with a black humeral spot, two black blotches on caudal peduncle and dorsal fin usually without any color bands or blotches but in breeding males with two rows of minute, indistinct black spots.
长尾佩氏无须魮是一种新的鲤科鱼类，发现于印度马哈拉施特拉邦克里希纳河水系的希拉尼亚凯什河中。它可根据以下一系列特征与同属其他物种区分开来：尾柄长；侧线不完全；无触须；上唇厚且肉质；吻部有明显的侧褶；侧线鳞22 - 24枚；侧线有孔鳞5 - 6枚；背鳍前鳞9枚；腹鳍前鳞9 - 10枚；臀鳍前鳞15 - 17枚；横向鳞1/2 3/1/3 1/2；最后一根不分枝背鳍鳍条远端一半有11 - 15枚锯齿；胸鳍分枝鳍条11 - 13枚；脊椎骨总数4 + 26枚，背鳍前脊椎骨4 + 5枚，腹部脊椎骨4 + 13枚，尾椎骨13枚；身体呈虹彩银色，有黑色肩部斑点，尾柄上有两个黑色斑块，背鳍通常无任何色带或斑块，但繁殖期雄鱼有两排微小、不明显的黑色斑点。
