Length-weight relationships of eight freshwater fishes from the Yangtze River and Lake Taihu, China

Abstract

The length-weight relationships (LWRs) are presented for eight freshwater fish species (Acheilognathus macropterus, Saurogobio dabryi, Saurogobio gymnocheilus, Sinobdella sinensis, Pelteobagrus eupogon, Rhinogobius cliffordpopei, Neosalanx jordani, and Silurus meridionalis) from the Yangtze River and Lake Taihu. A total of 1044 specimens were sampled and measured between July 2012 and June 2014. Among the eight species, five species have no LWR estimates in FishBase. 2.852-3.229 0.962 Bold = new maximum lengths for these fish species. U.S.

Length-weight and length-length relationships of seven freshwater fish species from the Daning River, a tributary of the Yangtze River, southwest China

“…The LWRs values of parameter b remained within the expected range of between 2.5 and 3.5 (Froese, ) or ranges from 2 to 4 (Tesch, ). Maximum value of b occurred in Chanodichthys dabryi , probably by reason of two variables known to have affected the outcome of the calculations in the study: a small sample size and a too‐narrow size range of fishes (Keivany, Dopeikar, Ghorbani, Kiani, & Paykan‐Heyrati, ; Tang, Zhang, Lu, Zhu, & Li, ).…”

Length-weight and length-length relationships for four fish species from Talkhehrud River, Urmia Lake basin, Iran

“…The parameter b in the LWR was expected to be in the range of 2.5–3.5 (Froese, ) or 2–4 (Tesch, ). Maximum values of b occurred in O. persa (Heckel, 1847), probably because of two variables known to have affected the outcome of the calculations in the study: a small sample size and a too‐narrow size range of fish (Keivany, Aalipour, Siami, & Mortazavi, ; Keivany, Dopeikar, Ghorbani, Kiani, & Paykan‐Heyrati, ; Tang et al., ).…”

“…In fisheries research, the LWRs are used to obtain useful data for fishery management, information on the area of management and maintenance of fish stocks (Aazami, Esmaili-Sari, Abdoli, Sohrabi, & Van Den Brink, 2015;Giarrizzo, Bastos, & Andrade, 2011;Santos et al, 2012) as well as for both applied and basic purposes (Tang, Zhang, Lu, Zhu, & Li, 2015). In the present study we report LWRs and LLWs for four fish species from the Talkhehrud River, Urmia Lake basin, Iran, for the first expansion of the biological knowledge of these species (Froese & Pauly, 2015).…”

Length–weight relationships of three fish species from Dayang River, northeast China

“…sex ratio, growth rate, age at first maturity, fecundity, and recruitment). Given the fact that basic biological information for most freshwater fish species in China remains scarce (Tang et al., 2015), we here estimated the LWRs for three fish species from Dayang River in Liaoning province, northeast China.…”