Length Weight Relationships of Commercial Fishes from the Mainstream of Yellow River, China
Length Weight Relationships of Commercial Fishes from the Mainstream of Yellow River, China
Jun Wang*, Xiaoming Jiang and Zhiwei Sun
ABSTRACT
The present study estimates length-weight relationships (LWRs) of fish species from the mainstream of the Yellow River, which is the largest sediment-laden river in the world. A total of 1168 specimens belonging to 4 families and 18 species were analysed. The following fish species were covered: Leuciscus chuanchicus (Kessler, 1876); Ctenopharyngodon idella (Valenciennes, 1844); Squaliobarbus curriculus (Richardson, 1846); Parabramis pekinensis (Basilewsky, 1855); Hemiculter leucisculus (Basilewsky, 1855); Culter alburnus (Basilewsky, 1855); Rhinogobio nasutus (Kessler, 1876); Hemibarbus maculatus (Bleeker, 1871); Cyprinus carpio (Linnaeus, 1758); Carassius auratus (Linnaeus, 1758); Hypophthalmichthys molitrix (Valenciennes, 1844); Hypophthalmichthys nobil (Richardson, 1845); Gymnocypris eckloni (Herzenstein, 1891); Schizopygopsis pylzovi (Kessler, 1876); Triplophysa siluroides (Herzenstein, 1888); Silurus lanzhouensis (Chen, 1977); Silurus asotus (Linnaeus, 1758); Channa argus (Cantor, 1842). The b values of the LWRs ranged from 2.598 for Ctenopharyngodon idella to 3.271 for Parabramis pekinensis. This study represents the first report on LRWs of commercial fish species in the whole mainstream of the Yellow River.The LRWs of five species have not been previously record. These data can serve as important baseline for conservation and management in the Yellow River fishery resources, which is very useful for evaluation of the status of the river ecological health.
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