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Ichthyological Research

, Volume 55, Issue 2, pp 112–123 | Cite as

Pseudobagrus brachyrhabdion, a new catfish (Teleostei: Bagridae) from the middle Yangtze River drainage, South China

  • Jian-Li Cheng
  • Hajime Ishihara
  • E ZhangEmail author
Full Paper

Abstract

Pseudobagrus brachyrhabdion sp. nov., from the Yuan Jiang and Xiang Jiang of the middle Yangtze River drainage in Hunan and Guizhou Provinces, South China, is described herein. It is distinguished from all other Pseudobagrus species with a truncate or slightly emarginated caudal fin by an unique combination of the following characters: supraoccipital plate and nuchal plate broadly interspaced and covered with skin; nasal barbels only at most reaching anterior margin of eye; maxillary barbels reaching slightly beyond posterior margin of eye; outer mandibular barbels extending to posterior margin of eye; dorsal fin with a somewhat convex distal margin, origin nearer to pectoral-fin insertion than to pelvic-fin insertion; dorsal-fin spine shorter than pectoral spine, with a somewhat serrated posterior margin; pectoral-fin spine with a smooth anterior margin; anal fin with 20–23 rays, base length 23.8–32.0% of standard length, posterior end of anal-fin base anterior to posterior end of adipose fin base; no longitudinal black band extending along flank; eyes large, diameter 16.3–23.7% of head length; and number of vertebrae 5 + 43–46.

Keywords

Pseudobagrus New species Yangtze River drainage South China 

Notes

Acknowledgments

We express our gratitude to Dr. Katsutoshi Watanabe (Kyoto University) for his comments on this manuscript, and to Dr. Kim Ik Soo (Chonbuk National University) for providing us with relevant Korean literature. This project was supported by a grant of the National Natural Sciences Foundation of China (NSFC No. 30370168).

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Copyright information

© The Ichthyological Society of Japan 2008

Authors and Affiliations

  1. 1.Institute of Hydrobiology, Chinese Academy of SciencesWuhanChina
  2. 2.Graduate School of the Chinese Academy of SciencesBeijingPeople’s Republic of China
  3. 3.Taiyo Engineering Co. Ltd.Chuoh-ku, TokyoJapan

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