The Length-Weight Relationships of Twelve Fish Species from the Heishui River, China

Table 2

Descriptive statistics and estimated parameters of length-weight relationships for twelve fish species sampled in the main stream of Heishui River from November 2018 to May 2021.

Family	Species	N	Total length (cm)			Weight (g)			Fish body fullness (100 g/cm^3)	Regression parameters
			Min	Max	Average value	Min	Max	Average value		a	95% CL of a	b	95% CL of b	(LWR)
Cobitidae	Triplophysa bleekeri [8]^ab	150	4.3	7.1	5.6	1.60	5.9	3.3	1.819	0.03583	0.03407∼0.03767	2.600	2.571∼2.629	0.9997
	Homatula potanini (Günther, 1896)	257	4.1	8.5	6.7	1.2	11.5	5.2	1.312	0.01250	0.01131∼0.01383	3.128	3.075∼3.181	0.9816
	Triplophysa daqiaoensis [5]	295	4.1	9.5	6.9	1.1	11.2	5.2	1.447	0.02343	0.02202∼0.02491	2.745	2.7149∼2.779	0.9898
	Homatula variegata [8]	150	4.2	13.5	9.1	1.10	27.0	10.2	1.206	0.01742	0.01562∼0.01942	2.830	2.780∼2.879	0.9884
	Triplophysa anterodorsalis [9]	270	4.6	8	6.9	2.60	11.5	7.6	2.285	0.04896	0.04731∼0.07346	2.505	2.390∼2.619	0.9932
	Triplophysa xichangensis [9]^ab	41	4.2	14.2	6.4	1.20	4.2	4.2	1.373	0.03139	0.02571∼0.03831	2.540	2.432∼2.648	0.9830
	Schistura fasciolata [10]	57	4	9.6	6.7	1.10	4	4.5	1.435	0.02976	0.02444∼0.03624	2.611	2.507∼2.715	0.9790
Cyprinidae	Discogobio yunnanensis [11]	57	4	9.6	6.7	1.78	23.8	8.7	2.661	0.04244	0.04155∼0.04334	2.750	2.738∼2.761	0.9996
	Pseudorasbora parva [12]^b	544	3.5	12.7	6.3	1.20	19.1	6.1	2.138	0.03505	0.02942∼0.04175	2.722	2.626∼2.817	0.9574
	Zacco platypus [12]	559	4.1	13.1	7.0	1.50	36.3	9.5	1.750	0.00964	0.00838∼0.01107	3.307	3.235∼3.379	0.9811
	Abbottina rivularis [13]	1262	4.4	10.2	6.6	1.70	13.3	6.3	1.995	0.02406	0.02262∼0.02558	2.898	2.865∼2.931	0.9692
	Schizothorax wangchiachii [14]	191	3.5	20.9	6.30	1.1	141.9	9.98	1.779	0.02078	0.01893∼0.02280	2.901	2.851∼2.951	0.9855

Note: a, intercept of LWR; b, slope of LWR; logBW = loga + blog (TL). BW, body weight; CL, confidence limits; N, number of individuals; , coefficient of determination; TL, total length. ^aLWR estimates are available in FishBase [15]; ^bnew records of maximum total length in FishBase [15].