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Length–weight relationships of three schizothoracinae fish species from the Niyang River, a branch of the Yarlung Zangbo River, Tibet, China
Author(s) -
Liu H. P.,
Ye S. W.,
Li Z. J.
Publication year - 2016
Publication title -
journal of applied ichthyology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.392
H-Index - 62
eISSN - 1439-0426
pISSN - 0175-8659
DOI - 10.1111/jai.13115
Subject(s) - biology , endangered species , china , fish <actinopterygii> , critically endangered , fishery , fishing , zoology , ecology , geography , archaeology , habitat
Summary 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 r 2 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.