Length-weight relationships for nine fishes in the Nujiang River, Southwest of China
JOURNAL OF APPLIED ICHTHYOLOGY(2018)
Abstract
Length-weight relationships (LWRs) were determined for nine fish species occurring in the Nujiang River. Fish were collected using gill nets, including two nets of 1.0m depth (100m long; mesh size 0.5cm), two nets of 1.0m depth (150m long; mesh size 2.0cm) and two nets reaching 1.5m depth (mesh size 6.0cm). Gill nets were set over night including different habitats (riffles and pools, vegetated and non vegetated zones) from four sections in July of the following 2years: 2004 and 2008. The LWRs presented here include for all nine studied species (Pseudexostoma brachysoma Chu, 1979, Creteuchiloglanis gongshanensis [Chu, 1981], Glyptothorax zanaensis Wu, He & Chu, 1981, Glyptothorax dorsalis Vinciguerra, 1890, and Glyptothorax trilineatus Blyth, 1860, Schizothorax gongshanensis Tsao, 1964, Schizothoraxmeridionalis Tsao, 1964, Placocheilus cryptonemus Cui & Li, 1984, and Schistura longa [Zhu, 1982]), and new maximum standard length of four species not yet reported in the literature.
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Key words
nujiang river,fishes,length-weight
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