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Issue: Vol. 5787 No. 3: 8 Apr. 2026
Type: Article
Published: 2026-04-08
DOI: 10.11646/zootaxa.5787.3.5
Page range: 501-514
Abstract views: 94
PDF downloaded: 7

Discogobio acutusirostris, a new species of cyprinids (Teleostei: Cypriniformes) from the middle Chang-Jiang basin in Guizhou Province, China

Institute of Hydrobiology; Chinese Academy of Sciences; Wuhan 430072; Hubei Province; China; Hubei Key Laboratory of Environment and Culture in Yangtze Regions; The Changjiang Civilization Museum (Wuhan Natural History Museum); Wuhan 430010; Hubei Province; China
Wuhan Landscape Construction Development Company Limited; Wuhan 430022; Hubei Province; China
Institute of Hydrobiology; Chinese Academy of Sciences; Wuhan 430072; Hubei Province; China
Pisces Taxonomy fish new taxa morphology sequence divergence

Abstract

Discogobio acutusirostris, a new species, is here described from the Yuanjiang River of the middle Chang-Jiang basin in Guizhou Province, Southwest China. It can be assigned to the species group of Discogobio diagnosed by having a large mental adhesive disc with its edge margin extending to or beyond the vertical through the anterior edge of eye and a snout covered with small tubercles. The new species is separated from all other species of this group by having many rows of dark brown spots along scale rows on the flank, an unscaled region of the abdomen adjacent to the ventral mid-line restricted only to the bases of pectoral fins, a shorter snout, a stout caudal peduncle and shorter pectoral fins. The validity of D. acutusirostris is also corroborated in a phylogenetic analysis based on the cytochrome b gene. A lectotype is here designated for D. brachyphysallidos.

 

References

  1. Anonymous (1980) Fishes of Hunan (Revised and Reprinted). Hunan Science and Technology Press, Changsha, 229 pp. [in Chinese]
  2. Burland, T.G. (2000) DNASTAR’s Lasergene sequence analysis software. Methods in Molecular Biology, 132, 71–91. https://doi.org/10.1385/1-59259-192-2:71
  3. Cao, Y.H., Liao, F.C. & Wu, Y.A. (2012) Flora of Aquatic Animals in Xiangjiang River. Hunan Science and Technology Press, Changsha, 159 pp. [in Chinese]
  4. Chen, X.Y. (2013) Checklist of Fishes of Yunnan. Zoological Research, 3, 281–343. [in Chinese]
  5. Chen, Z., Yang, J. & Yang, J.X. (2012) Description of a new species of the genus Yunnanilus Nichols, 1925 (Teleostei: Nemacheilidae) from Yunnan, China. Zootaxa, 3269 (1), 57–64. https://doi.org/10.11646/zootaxa.3269.1.5
  6. Chu, X.L. & Chen, Y.R. (1989) The fishes of Yunnan, China. Part I. Scientific Press, Beijing, 377 pp.[in Chinese]
  7. Chu, X.L., Cui, G.H. & Zhou, W. (1993) A taxonomic revision of fishes of the genus Discogobio, with description of two new species. Acta Zootaxonomica Sinica, 18, 237–246. [in Chinese]
  8. Darriba, D., Taboada, G.L., Doallo, R. & Posada, D. (2012) jModelTest 2: more models, new heuristics and parallel computing. Nature methods, 9, 772. https://doi.org/10.1038/nmeth.2109
  9. Ding, R.H. (1994) The Fishes of Sichuan, China. Sichuan Science and Technology Press, Chengdu, 377 pp. [pp. 63–95, in Chinese]
  10. Fricke, R., Eschmeyer, W.N. & Van der Laan, R. (2025) Eschmeyer’s catalog of fishes: genera, species, references. Available from: http://researcharchive.calacademy.org/research/ichthyology/catalog/fishcatmain.asp (accessed 2 March 2026)
  11. Guo, Y.S., Sun, Z.Y., He, X.H., Jin, W. & Chen, Y.L. (2021) Coloured atlas of fishes in Sichuan. Science Press, Beijing, 377 pp. [pp. 505–507, in Chinese]
  12. He, C.L., Song, Z.B. & Zhang, E. (2012) Triplophysa pseudostenura, a new nemacheiline loach (Cypriniformes: Balitoridae) from the Yalong River of China. Zootaxa, 3586 (1), 272–280. https://doi.org/10.11646/zootaxa.3586.1.26
  13. Huang, Y.S. (1989) On four new species of the genus Discogobio Lin from Yunnan, China. Zoological research, 10, 355–361. [in Chinese]
  14. Kalyaanamoorthy, S., Bui, Q.M., Wong, T.K., von Haeseler, A. & Jermiin, L.S. (2017) ModelFinder: fast model selection for accurate phylogenetic estimates. Nature Methods, 14, 587–589. https://doi.org/10.1038/nmeth.4285
  15. Katoh, K. & Standley, D.M. (2013) MAFFT multiple sequence alignment software version 7: improvements in performance and usability. Molecular Biology and Evolution, 30, 772–780. https://doi.org/10.1093/molbev/mst010
  16. Kumar, S., Stecher, G. & Tamura, K. (2016) MEGA7: Molecular Evolutionary Genetics Analysis Version 7.0 for Bigger Datasets. Molecular Biology and Evolution, 33, 1870–1874. https://doi.org/10.1093/molbev/msw054
  17. Kottelat, M. (2001) Fishes of Laos. Wildlife Heritage Trust Publications, Colombo, 198 pp.
  18. Kottelat, M. (2013) The fishes of the inland waters of southeast Asia: a catalogue and core bibliography of the fishes known to occur in freshwaters, mangroves and estuaries. Raffles Bulletin of Zoology Supplement, 27, 1–663.
  19. Li, X., Dao, W. & Zhou, W. (2020) Type locality and species identity of Pareuchiloglanis sinensis (Hora & Silas), with a description of a new species of the genus from the upper Yangtze River basin in southern China. Journal of Fish Biology, 97, 827–844. https://doi.org/10.1111/jfb.14438
  20. Librado, P. & Rozas, J. (2009) DnaSP v5: a software for comprehensive analysis of DNA polymorphism data. Bioinformatics, 25, 1451–1452. https://doi.org/10.1093/bioinformatics/btp187
  21. Lin, S.Y. (1931) Carps and carp-like fishes of Kwangtung and adjacent inlands. Fishery experimental station. Bureau of Reconstruction, Kwangtung, 167 pp.
  22. Menon, A.G.K. (1964) Monograph of the cyprinid fishes of the genus Garra Hamilton. Memoir Indian Museum, 14, 173–260.
  23. Nguyen, L.T., Schmidt, H.A., von Haeseler, A. & Bui, Q.M. (2015) IQ-TREE: a fast and effective stochastic algorithm for estimating maximum-likelihood phylogenies. Molecular Biology and Evolution, 32, 268–274. https://doi.org/10.1093/molbev/msu300
  24. Nguyen, V.H. & Ngo, S.V. (2001) Freshwater Fishes of Vietnam. Agriculture Publishing House, Hanoi, 662 pp. [in Vietnamese]
  25. Regan, C.T. (1908) Descriptions of three new cyprinoid fishes from Yunnan, collected by Mr. John Graham. Annals & Magazine of Natural History, Series 8, 2 (10), 356–357. https://doi.org/10.1080/00222930808692492
  26. Ronquist, F., Teslenko, M., van der Mark, P., Ayres, D.L., Darling, A., Höhna, S., Larget, B., Liu, L., Suchard, M.A. & Huelsenbeck, J.P. (2012) MrBayes 3.2: efficient Bayesian phylogenetic inference and model choice across a large model space. Systematic Biology, 61, 539–542. https://doi.org/10.1093/sysbio/sys029
  27. Sun, Z.W., Ren, S.J. & Zhang, E. (2013) Liobagrus chenghaiensis, a new species of catfish (Siluriformes: Amblycipitidae) from Yunnan, South China. Ichthyological Exploration of Freshwaters, 23, 375–384.
  28. Tang, K.L., Agnew, M.K., Hirt, M.V., Sado, T., Schneider, L.M., Freyhof, J., Sulaiman, Z., Swartz, E., Vidthayanon, C., Miya, M., Saitoh, K., Simons, A.M., Wood, R.M. & Mayden, R.L. (2010) Systematics of the subfamily Danioninae (Teleostei:Cypriniformes: Cyprinidae). Molecular Phylogenetics and Evolution, 57, 189–214. https://doi.org/10.1016/j.ympev.2010.05.021
  29. Wu, J. & Wu, M.S. (1990) The fish fauna of Jinsha-Jiang. Sichuan Journal of Zoology, 9, 23–26. [in Chinese]
  30. Wu, L. (1989) The Fishes of Guizhou, China. Guiyang People's Publishing House, Guiyang, 314 pp. [in Chinese]
  31. Wu, X.W. (1977) The cyprinid fishes of China. Part 2. Shanghai People's Press, Shanghai, 370 pp. [pp. 229–598, in Chinese]
  32. Wu, Y.A., Li, H., Liao, F.C., Yang, X. & Xie, Z.G. (2021) Fishes of Hunan Province. Science Press, Beijing, 365 pp. [in Chinese]
  33. Wu, Y.Y., Sun, Z.Y. & Guo, Y.S. (2016) A new species of the genus Triplophysa (Cypriniformes: Nemacheilidae), Triplophysa daochengensis, from Sichuan Province, China. Zoological Research, 37, 290–296.
  34. Xiao, S. & Lan, J.H. (2023) A photographic atlas of freshwater fishes from Guangxi. Henan Science and Technology Press, Zhengzhou, 426 pp. [in Chinese]
  35. Xue, Y., Chen, H.J., Li, Y., Tang, M., Chen, H.J., Ye, Q. & Li, Y. (2014) Mitochondrial genome of the sucking disc gudgeon, Discogobio yunnanensis (Teleostei, Cypriniformes). Mitochondrial DNA, Part A, 27, 1451–1452. https://doi.org/10.3109/19401736.2014.953088
  36. Yang, G.R. (1987) The Fishes of Hubei, China. Hubei Science and Technology Press, Wuhan, 299 pp. [in Chinese]
  37. Yang, L. & Mayden, R.L. (2010) Phylogenetic relationships, subdivision, and biogeography of the Cyprinid tribe Labeonini (sensu Rainboth, 1991) (Teleostei: Cypriniformes), with comments on the implications of lips and associated structures in the labeonin classification. Molecular Phylogenetics and Evolution, 54, 254–265. https://doi.org/10.1016/j.ympev.2009.09.027
  38. Yang, X., Li, J.G. & Wang, Y.Y. (2022) Fishes in Guizhou. Science Press, Beijing, 306 pp. [in Chinese]
  39. Yi, W.J., Deng, S.Q. & Zhang, E. (2025) Discogobio angustimarginis, a new species of cyprinid fish (Pisces: Teleostei) from the Jinsha-Jiang River in Yunnan Province, southwestern China. Zootaxa, 5665 (2), 281–294. https://doi.org/10.11646/zootaxa.5665.2.9
  40. Yue, P.Q. (2000) Fauna Sinica (Osteichthyes:Cypriniformes. Vol. III). Science Press, Beijing, 661 pp. [in Chinese]
  41. Zhang, C.G., Yang, J.X., Zhao, Y.H. & Pan, X.F. (Eds.) (2019) Fishes in the Jinsha Jiang River Basin, the Upper Reaches of the Yangtze River, China. Science Press, Beijing, 567 pp. [in Chinese]
  42. Zhang, C.G. & Zhao, Y.H. (2016) Species diversity and distribution of inland fishes in China. Science Press, Beijing, 284 pp. [in Chinese]
  43. Zheng, C.Y. (1989) The Fishes of the Pearl River. Science Press, Beijing, 438 pp. [in Chinese]
  44. Zheng, L.P. & Zhou, W. (2008) Revision of the cyprinid genus Discogobio Lin, 1931 (Pisces: Teleostei) from the upper Red River basin in Wenshan Prefecture, Yunnan, China, with descriptions of three new species. Environmental Biology of Fishes, 81, 255–266. https://doi.org/10.1007/s10641-007-9196-7
  45. Zhou, W., Li, X. & Thomson, A.W. (2011) Two new species of the Glyptosternine catfish genus Euchiloglanis (Teleostei: Sisoridae) from southwest China with redescriptions of E. davidi and E. kishinouyei. Zootaxa, 2871 (1), 1–18. https://doi.org/10.11646/zootaxa.2871.1.1
  46. Zhou, W., Pan, X.F. & Kottelat, M. (2005) Species of Garra and Discogobio (Teleostei: Cyprinidae) in Yuanjiang (Upper Red River) Drainage of Yunnan Province, China with Description of a New Species. Zoological Studies, 44, 445–453.

How to Cite

Deng, S.-Q., Deng, C. & Zhang, E. (2026) Discogobio acutusirostris, a new species of cyprinids (Teleostei: Cypriniformes) from the middle Chang-Jiang basin in Guizhou Province, China. Zootaxa, 5787 (3), 501–514. https://doi.org/10.11646/zootaxa.5787.3.5