Length–weight relationships of three endemic fish species from the upper Yellow River,China |
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| Authors: | B‐B Lv C‐G Zhang Z‐X Shen Y‐H Zhao Y‐C Xing |
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| Institution: | 1. Yellow River Fisheries Research Institute, Chinese Academy of Fishery Sciences, Xi'an, China;2. Key Laboratory of Zoological Systematics and Evolution, Institute of Zoology, Chinese Academy of Sciences, Beijing, China;3. Qinghai Provincial Fishery Environmental Monitoring Center, Xining, China;4. Natural Resource and Environment Research Center, Chinese Academy of Fishery Sciences, Beijing, China |
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| Abstract: | Length–weight relationships (LWRs) of three Chinese endemic fish species (Gymnocypris eckloni eckloni Herzenstein, 1891, Platypharodon extremus Herzenstein, 1891 and Triplophysa pseudoscleroptera (Zhu & Wu, 1981)) were analyzed, collecting from the upper Yellow River (Xunhua and Guide Counties, Qinghai Province). Totally 347 specimens monthly collected by gill nets with 40 mm mesh size and traps with 5 m length from August to October 2014, were used to estimate the relationship parameters. The allometric factor b values ranged from 2.96 in T. pseudoscleroptera to 3.33 in G. eckloni eckloni. The condition factor a values varies between 0.0063 and 0.0175 in three species. Three WLRs of fishes distributed in the upper Yellow River were firstly reported and will fill in some of the empty spaces on endemic species in the Fishbase. |
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