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论文摘要: Length-weight relationships were determined for the first time for three fish species (Xenocypris fangi Tchang, 1930; Microphysogobio kiatingensis Wu, 1930; and Opsariichthys bidens Gunther, 1873) from the Jinsha River, southwestern China. Samples were collected using gillnets (30 9 15 m, mesh-size 5 mm) and electroshock fishing techniques (CWB-2000 P, 12 V, 250 HZ).