【摘要】 <正> 蒙古红鲌程海亚种Erythroculter mongolicus elongatus,新亚种。 测量标本16尾,体长133—235毫米。 背鳍条3,7:胸鳍条1,13—15:腹鳍条1,8—9;臀鳍条3,19—22;鳃耙比鳃丝长,第一鳃弓外侧鳃耙数为22—23;下咽齿3行,2,3,4—4,3,2或2,3,5—5,3,2尖端钩状。侧线鳞68(10—11)/(5—6v)72。更多还原

【Abstract】 Erythroculter mongolicus elongatus,subsp.nov.Holotype. No 730241, Standard length 235 mm. from Chenghai Lake, Yunnan in Tune, 1973.Paratypes 15 Nos.730237-239, 730242-243, 730245-246 length 181-215 mm, Nos.766002, 766008, 766010,766015-16,766019-20, 766022, length 133-168mm, date and locality same as the holotype.D.3,7;P.1,12;V.1,8;A.3, 21-22;L.l, 70 75. Gill-rakers 22-23Depth in length 4.8-5.5,head 4.2-4.5,length of caudal peduncle 6 .2-7.4, depth of caudal peduncle 11.5-15.0; snout in head 3.2-3.8, eye 4.1-5.0, interorbital space 3.8-4 .4;depth of peduncle in its length 1.7-2 .2 .The new subspecies differs from Erythroculter mongolicus mongolicus (Basilewsky) in having more vertebrae (4 + 43-45 versus 4 + 41 in E.mongolicus mongolicus) and gill rakers(22-23 vesus 17-20),in having a slender body(4.5-5.5 versus 3.5-4.3) and caudal peduncle(6.2-7.4 versus 5.7-6.4).The holotype and Paratypes are all kept in the Museum of zoology,Yunnan University,更多还原