【摘要】 白鱼属是鲌亚科鱼类中最大的属。有16种和亚种。种类集布于滇东南盘江和金沙江两大水系,少数在滇西北及邻近的四川省部分地区。最近在禄丰县(属红河水系)获白鱼属标本6尾,经鉴定认为是一新种少耙白鱼(Anabarilus paucirastellius sp.nov.)。正模标本:编号86Ⅶ002,全长105mm,体长88mm。采自云南省禄丰县一平浪樟木箐。副模标本:编号86Ⅶ001,86Ⅶ003～006,共5尾,全长85～100mm,体长68～82mm。采集地点同上。新种模式及副模标本分别保存于中国科学院水生生物研究所和云南大学生物系。更多还原

【Abstract】 Anabarilius Cokerell is the largest genus in the Cyprinidae, Cultrinae, According to systematic revision in recent years, there are altogether 16 species and subspecies. The distribution of all these known species is nearly limited ia the drainages of the Nanpan River and Jinsha River. However, we got some specimens from the Yuanjiang River. They are considered to be a new species, which is described as follows. Anabarilius paucirastellus sp. nov. Holotype: No. 86Ⅶ002,total length 105mm, body length 88mm. paratypes: 5 specimens, No. 86 Ⅶ001,86Ⅶ003~006. Both holotype and paratypes were collected in July 1986 from Lufeng county belongiing to Yuanjiang River system, Yunnan, China. They are deposited in the Institute of Hydrobiology, AcademiaSinica and Department of Biology, Yunnan University. D iii,7-8); A. iii, 8; p. i, 15-16; v. i, 8. L. I. 80(?)82; predorsalscales 34~38; circumpeduncular scales 32~34. gill rakert 7~9. pha-rngeal teeth in three rows, vertebre 4 + 37~38. Depth 4.5~5. 2(average 4.8)in body length, head 4.0~4.2 (4.05), length of caudal peduncle 5.2~5.4(5.3), its depth 10.5~12.6 (11.2). Snout 3.2~3.5(3.4) in head, eye 3.8~4.2(4.1), interobital space 3.0~3.3 (3,1). Depth of caudal peduncle 2.0~2.2(2.1) in its length. Body elongate, slightly compressed, completely covered with rather small scales. Abodomen keeled from venatral to vent. Head smaller. Mouth terminal. Barbels absent. Lateral line strongly decurved, running low at each side of the body, extending to middle of the caudal peduncle. Dorsal fin without spinous ray, just inserted midway between tip of snout and base of caudal. Caudal deeply emarginate and lobes pointed. phanyngeal bone slender, teeth slightly compressed, tip pointed with terminal hooks. Airbladder bipartite, posterior part rounded at end, its length about 2.0 in anterior part. Gill-rekers few, sparsed. peritoneum plack. Body silvery, grayish above, pale or whitish below, with a longitudinal black stripe on the side of body, distinct posteriorly. All fins pale. The new species can be distinguished chiefly by the less number of gill-rakers (7~9) and anal fin rays(8), more circumpeduncular scales (32~34) and the presence of a lateral black stripe.更多还原