Length-Weight Relationships of Four Fish Species of the Upper Yangtze River, Sichuan, China

Table 2

Length-weight relationships (LWRs) for four fish species in the upper Yangtze River.

Species	N	Length range (cm)	Weight range (g)	a	95% CI of a	b	95% CI of b	r ^2
Claea dabryi (Sauvage, 1874)	96	3.8–16.2	0.9–60.1	0.0102	0.0074–0.0142	3.095	2.942–3.247	0.960
Megalobrama pellegrini (Tchang, 1930)	572	6.6–33.8	7.9–713.6	0.0242	0.0180–0.0325	2.916	2.819–3.013	0.961
Schizopygopsis malacanthus (Herzenstein, 1891)	115	2.8–28.1	0.3–269.3	0.0134	0.0123–0.0154	3.003	2.946–3.060	0.991
Schizothorax sinensis (Herzenstein, 1889)	187	8.3–45.8	17.4–1602.7	0.0191	0.0125–0.0292	2.999	2.863–3.136	0.976