Length–weight relationships of three schizothoracinae fish species from the Niyang River,a branch of the Yarlung Zangbo River,Tibet, China |
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| Authors: | H. P. Liu S. W. Ye Z. J. Li |
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| Affiliation: | 1. State Key Laboratory of Freshwater Ecology and Biotechnology, Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan, China;2. Graduate University of Chinese Academy of Sciences, Beijing, China;3. Agricultural and Animal Husbandry College of Tibet University, Linzhi, China |
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| Abstract: | The focus was on the length–weight relationships of three schizothoracinae species endemic to Tibet, including Schizothorax oconnori Lloyd, 1908, Ptychobarbus dipogon (Regan, 1905) and Schizopygopsis younghusbandi Regan, 1905, all of which are characterized by slow growth, late maturation and vulnerability to the environment (Ma et al., 2010, 2012; Duan et al., 2014). Among them, Schizothorax oconnori is an endangered fish and listed in the China species Red List (Wang and Xie, 2004, 2009). Samples were obtained by drift net fishing (mesh size 2 cm × 3 cm; 50 m net length) in November 2008. The r2 value was 0.94, 0.97, 0.98 and the b value 3.51, 3.12, 3.16, representing Schizothorax oconnori, Ptychobarbus dipogon, and Schizopygopsis younghusbandi, respectively. |
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