GUO Xian Guang, ZHANG Yao Guang, HE Shun Ping. MORPHOLOGICAL VARIATIONS AND SPECIES VALIDITY OF GENUS EUCHILOGLANIS (SILURIFORMES:SISORIDAE)IN CHINA[J]. ACTA HYDROBIOLOGICA SINICA, 2004, 28(3): 260-268.
Citation: GUO Xian Guang, ZHANG Yao Guang, HE Shun Ping. MORPHOLOGICAL VARIATIONS AND SPECIES VALIDITY OF GENUS EUCHILOGLANIS (SILURIFORMES:SISORIDAE)IN CHINA[J]. ACTA HYDROBIOLOGICA SINICA, 2004, 28(3): 260-268.

MORPHOLOGICAL VARIATIONS AND SPECIES VALIDITY OF GENUS EUCHILOGLANIS (SILURIFORMES:SISORIDAE)IN CHINA

  • Received Date: March 19, 2003
  • Rev Recd Date: April 07, 2003
  • Published Date: May 24, 2004
  • The delimitation between Euchiloglanis davidi and Euchiloglanis kishinouyei has not been clear all the time. In the present paper, we studied inter specific and intra specific variations of E.davidi and E.kishinouyei by principal component analysis and 548bp mtDNA 16S rRNA sequences analysis. 35 characters were measured and 34 among them were analyzed using multivariate morphometrics for 80 specimens of the genus Euchiloglanis.We amplified and sequenced the mtDNA 16S rRNA gene fragments in 10 individuals of Euchiloglanis. Sequences were read from one strand (L strand) and aligned using Clusta1X 1.8 program and SEAVIEW program. Pairwise sequence comparisons to determine the amount of variation were performed using MEGA 2.1. According to the results of principal component analysis and p distance,the species validties were evaluated. The results showed that: (1)the diagnostic characters between E. davidi and E.kishinouyei,such as anterior position of ventral fins, its origin being always nearer or not to lower angle of gill opening than to anal fin,maxillary barbells extending beyond or not to gill opening,were correlated. However, specimens could not be distinguished definitely according to these differences because of the overlap in characters;(2)there were differences among populations from different localities,but no definite correlation to the tributary of Jinshajiang River could be found;(3)the genetic distance was very small between E.davidi. and E.kishinouye,and it was only 0.075% on average;(4)Only 2 variation loci were detected and the mutation rate was 0.365%;(5)the genetic distance was also small among the genus Euchiloglanis, ranging from 0—0.381% and 0.069% on average.Based on these results, Euchiloglanis species in China is suggested as only one species,and E.kishinouyei is argued as a synonym of E.davidi.
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    Datta A K.Zoological results of the Indian Cho-Oyu expedition [J].Re.Indian Mus,1962,41(4): 437-450[2] Sauvage H E.Notices ichthyolosgiques.I.Sur deux silurodies de genres nouveaux provenant du Thibet oriental[M].Rev.Mag.Zool.,1974,2:332-340[3] Regan C T.A synopsis of the species of the siluroid genera Parexostoma,chimarrichths and Exostoma[J].Ann.Mag.Nat.His.,1905,7(15):182-183[4] Hora S L.Notes on the fishes in the Indian Museum,5.On the composite genus Glyptosternum McClelland [J].Rce.Indian Mus ,1923,25:1-44[5] Steintiz H.Notes on some glyptosternoid fishes(Sisoridae)[J].Mitt.ham.zool.Mus,Inst.,1961,59:105-115[6] Hora S L.Evolution and distribution of glyptosternoid fishes of the family Sisoridae (Order:Siluriformes)[J].Proc.Nat.Inst.Sci.Indian.,1952.18:309-322[7] Menon A G K.,Sen T K.Extension of the geographical range of Euchiloglanis hodgarti (Hora) with certain observation of the zoogeography and evolution of glyptosernoid fishes of the family Sisoridae [J].Sci.Cult., 1966,32(4):211-212[8] Chu X L.Systematics and evolutionary pedigree of the glyptosternoid fishes [J].Acta Zootaxonomica Sinica,1979,4(1):72-82.[褚新洛.(鱼郾)(鱼兆)鱼类的系统发育及演化谱系,包括一新属和一新亚种的描述.动物分类学报,1979,4(1):72-82][9] Chu X L.Taxonomic revision of the genera Pareuchiloglanis and Euchiloglanis [J].Zoological Research,1981,2(1):25-31.[褚新洛.(鱼兆)属和石爬(鱼兆)属的订正,包括一新种的描述.动物学研究,1981,2(1):25-31][10] Hubbs C L,Lagler K F.Fish of the great lake region[M].Arbor:Univ.of Michigan Press,1964[11] Bookstein F L, Chernoff B., Elder R., Humpnries,J., Smith G., Strauss,R.Morphometrics in Evolutionary Biology [M].Special publication 15.Philadelphia:The Academy of Natural Science of Philadelphia,1985[12] Cai M J,Zhang M Y,Zeng,Q L et al.A study on morphometrics of the genus Megalobrama [J].Acta Hydrobiologica Sinica ,2001,25(6):631-635.[蔡鸣俊,张敏莹,曾青兰,等,鲂属鱼类形态度量学研究[J].水生生物学报,2001,25(6):631-635][13] Xie Z G,Zhang E, He S P.Study on species validation for Glyptothorax sinense (Regan) and G.fukiensis(Rendahl)with the method of morphometrics [J].Journal of Huangzhong Agricultural University,2001,20(2):169-172.[谢仲桂,张鹗,何舜平.应用形态度量学方法对中华纹胸(鱼兆)和福建纹胸(鱼兆)物种有效性的研究[J].华中农业大学学报,2001,20(2):169-172][14] Yang X P, Zhang M Y, Liu H Z.Morphological variations and geographical differential of the genus Pseudogobio (Teleostei:Cyprinidae)in China [J].Acta Hydrobiologica Sinica,2002,26(3):281-285.[杨秀平,张敏莹,刘焕章.中国似(鱼句)属鱼类的形态变异及地理分化研究[J].水生生物学报,2002,26(3):281-285][15] Yang X P, Zhang M Y,Liu H Z.Studies on morphometrics of the genus Saurogobio[J].Acta Hydrobiologica Sinica,2003,27(2):164-169.[杨秀平,张敏莹,刘焕章.蛇(鱼句)属鱼类的形态度量学研究[J].水生生物学报,2003,27(2):164-169][16] Schaefer S A.Morphometric investigations in Cyprinid biology.In I J Winfield and J S Nelson(eds.)London:Chapman and Hall,1991,55-82[17] Brone C R,Fleischer G W,Maistrenko S G, et al.Stock structure of Lake Baikal omul as determined by whole-body morphology[J].J of Fish Biology, 1999,54:787-798[18] Auseubel F M.Short protocols in Molecular Biology [M].2nd ed.New York:John Wiley Sons,1992[19] Thompson J D., Gibson T J,Plewniak F, et al.The Clustal-X windows interface:flexible strategies for multiple sequences alignment aided by quality analysis tools [J].Nucleic Acids Res.1997,25(24): 4876-7882[20] Palumbi SR., Martin A P.,Romano S, et al.The Simple Fool's Guide to PCR,Version 2.0[M].Pubished and distributed by the authors,Honolulu ,HL.,1991[21] Galtier N.,1 Seaview and phylo-win:two graphic tools for sequence alignment and molecular phylogeny[J].Comput.Appl.Biosci,1996,12:543-548[22] Kimura S.,Taumura K.,Jakobsen I.B.,et al.MEGA: Molecular Evolutionary Genetics Analysis Software,Version 2.1[M].Arizona;Arizona State University.2001[23] Li,S.S.and Wang,R.F.,et al.A karyotype study of Coreglanis kishinouyei and Euchiloglani davidi [J].Transactions of the Chinese Ichthyological Society.Beijing:Science Press,1981,(2):153-155[李树深,王蕊芳,刘光佐,等.石爬(鱼兆)和青(鱼兆)细胞核型的研究.鱼类学论文集,北京:科学出版社,1981,(2):153-155][24] Zhao, T,Q,The concept and method of systematic biology [M].Beijing:Science Press ,1992,223-226[赵铁桥,系统生物学的概念和方法.北京:科学出版社,1992,223-226]
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