Table 1. Regression parameters (± standard error) for estimating log whole fish N (g) from log fish wet weight (g). SY X is the standard error of the Y estimate. Data summarized from Ramseyer, L. J. (2000) Whole fish weight as an accurate predictor of whole fish nitrogen content: in review.
|
Taxonomic group |
Slope |
Intercept |
r2 |
SY X |
Sample size |
fish weight range (g) |
|
Acipenseridae |
||||||
|
Acipenser spp. |
1.08 ± 0.01 |
-1.84 ± 0.01 |
0.998 |
0.0477 |
48 |
0.158-388 |
|
A. oxyrhynchus |
1.01 ± 0.05 |
-1.71 ± 0.07 |
0.995 |
0.0117 |
4 |
15.3-30.6 |
|
A. transmontanus |
1.06 ± 0.01 |
-1.80 ± 0.01 |
0.999 |
0.0326 |
37 |
0.158-388 |
|
A. baeri |
1.12 ± 0.01 |
-1.93 ± 0.01 |
1.000 |
0.0247 |
7 |
0.175-119 |
|
Anarchichadidae |
||||||
|
Anarhichas lupus |
0.93 ± 0.19 |
-1.37 ± 0.48 |
0.705 |
0.112 |
12 |
110-460 |
|
Anguillidae |
||||||
|
Anguilla anguilla |
1.05 ± 0.05 |
-1.66 ± 0.04 |
0.925 |
0.0567 |
34 |
1.99-13.8 |
|
Bagridae |
||||||
|
Mystus nemurus |
1.09 ± 0.04 |
-1.77 ± 0.07 |
0.983 |
0.0357 |
15 |
24.7-110 |
|
Bothidae |
||||||
|
Scopthalmus maximus |
1.07 ± 0.01 |
-1.70 ± 0.01 |
1.000 |
0.0165 |
24 |
2.64-52.1 |
|
Carangidae |
1.03 ± 0.00 |
-1.57 ± 0.01 |
0.998 |
0.0241 |
112 |
1.8-749 |
|
Seriola quinqueradiata |
1.03 ± 0.00 |
-1.58 ± 0.01 |
0.998 |
0.0239 |
108 |
1.8-749 |
|
Caranx delicatissimus |
0.97 ± 0.06 |
-1.44 ± 0.10 |
0.993 |
0.0131 |
4 |
35.4-66.7 |
|
Centrarchidae |
1.01 ± 0.00 |
-1.59 ± 0.01 |
0.997 |
0.0290 |
153 |
0.47-166 |
|
Micropterus salmoides |
1.17 ± 0.15 |
-1.79 ± 0.22 |
0.885 |
0.0170 |
10 |
24.3-31.1 |
|
Lepomis spp. |
1.01 ± 0.00 |
-1.59 ± 0.01 |
0.997 |
0.0286 |
143 |
0.47-166 |
|
L. macrochirus |
1.01 ± 0.00 |
-1.59 ± 0.01 |
0.997 |
0.0298 |
127 |
0.47-166 |
|
L. megalotis |
1.00 ± 0.01 |
-1.57 ± 0.02 |
0.999 |
0.00994 |
5 |
15.3-106 |
|
L. cyanellus |
1.04 ± 0.02 |
-1.66 ± 0.03 |
0.999 |
0.00921 |
4 |
14.8-62.7 |
|
L. cyanellus × L. macrochirus |
0.97 ± 0.02 |
-1.53 ± 0.02 |
0.998 |
0.0109 |
7 |
15.3-50.7 |
|
Chanidae |
||||||
|
Chanos chanos |
1.00 ± 0.01 |
-1.58 ± 0.02 |
0.997 |
0.0304 |
18 |
5.48-202 |
|
Channidae |
||||||
|
Channa spp.1 |
1.07 ± 0.01 |
-1.62 ± 0.01 |
1.00 |
0.0148 |
22 |
12.0-315 |
|
C. striata |
1.13 ± 0.03 |
-1.70 ± 0.03 |
0.994 |
0.00996 |
13 |
12.0-29.7 |
|
C. micropeltes |
1.21 ± 0.03 |
-1.96 ± 0.07 |
0.996 |
0.00898 |
9 |
129-315 |
|
Characidae |
||||||
|
Colossoma macropomum |
1.03 ± 0.04 |
-1.67 ± 0.06 |
0.988 |
0.0558 |
11 |
1.1-49.6 |
|
Cichlidae |
1.00 ± 0.00 |
-1.61 ± 0.00 |
0.995 |
0.0501 |
392 |
0.012-233 |
|
Tilapia zillii |
0.93 ± 0.04 |
-1.54 ± 0.02 |
0.988 |
0.0235 |
10 |
1.85-7.2 |
|
Oreochromis niloticus |
0.99 ± 0.00 |
-1.60 ± 0.01 |
0.995 |
0.0528 |
198 |
0.012-198 |
|
O. aureus |
1.09 ± 0.02 |
-1.70 ± 0.02 |
0.994 |
0.0316 |
20 |
2.61-31.4 |
|
O. niloticus × O. aureus |
1.00 ± 0.01 |
-1.62 ± 0.01 |
0.989 |
0.0327 |
59 |
1.34-17 |
|
O. mossambicus |
1.06 ± 0.01 |
-1.65 ± 0.01 |
0.994 |
0.0481 |
74 |
0.297-223 |
|
Cichlasoma spp. |
1.07 ± 0.01 |
-1.59 ± 0.01 |
0.998 |
0.0242 |
14 |
0.081-2.64 |
|
C. synspilum |
1.07 ± 0.01 |
-1.60 ± 0.00 |
1.00 |
0.00848 |
7 |
0.28-2.64 |
|
C. urophthalmus |
1.08 ± 0.03 |
-1.59 ± 0.02 |
0.996 |
0.0355 |
7 |
0.081-1.54 |
|
Clariidae |
||||||
|
Clarias gariepinus |
1.05 ± 0.00 |
-1.69 ± 0.01 |
0.996 |
0.0252 |
239 |
1.59-393 |
|
Heteropneustes fossilis |
1.45 ± 0.15 |
-1.78 ± 0.05 |
0.957 |
0.0236 |
6 |
1.68-2.46 |
|
Clupeidae |
||||||
|
Sardinops melanosticta |
0.74 ± 0.06 |
-1.07 ± 0.11 |
0.859 |
0.0172 |
30 |
63.7-114 |
|
Cyprinidae |
1.03 ± 0.002 |
-1.69 ± 0.003 |
0.999 |
0.0368 |
369 |
0.0078-1450 |
|
Cyprinus carpio |
1.03 ± 0.002 |
-1.69 ± 0.003 |
0.999 |
0.0348 |
302 |
0.0078-1450 |
|
Labeo rohita |
1.17 ± 0.03 |
-1.72 ± 0.02 |
0.989 |
0.0299 |
16 |
1.02-6.86 |
|
Ctenopharyngodon idella |
1.03 ± 0.01 |
-1.69 ± 0.01 |
0.999 |
0.0321 |
17 |
0.173-124 |
|
Aristichthys nobilis |
1.13 ± 0.04 |
-1.62 ± 0.03 |
0.994 |
0.00978 |
7 |
0.135-0.254 |
|
Barbodes altus |
1.08 ± 0.05 |
-1.66 ± 0.05 |
0.987 |
0.0103 |
7 |
4.98-8.57 |
|
Esocidae |
||||||
|
Esox spp. |
1.11 ± 0.02 |
-1.69 ± 0.03 |
0.997 |
0.0379 |
11 |
0.71-99 |
|
E. masquinongy |
1.21 ± 0.06 |
-1.82 ± 0.09 |
0.993 |
0.0171 |
5 |
21-47 |
|
E. masquinongy × E. lucius |
1.11 ± 0.01 |
-1.71 ± 0.02 |
0.999 |
0.0250 |
6 |
0.71-99 |
|
Gadidae |
||||||
|
Gadus morhua |
1.04 ± 0.2 |
-1.77 ± 0.6 |
0.844 |
0.0228 |
6 |
258-334 |
|
Ictaluridae |
||||||
|
Ictalurus spp. |
1.06 ± 0.00 |
-1.72 ± 0.01 |
0.998 |
0.0441 |
110 |
0.038-1614 |
|
I. punctatus |
1.06 ± 0.01 |
-1.72 ± 0.01 |
0.998 |
0.0461 |
97 |
0.038-1614 |
|
I. furcatus |
1.05 ± 0.01 |
-1.71 ± 0.02 |
0.998 |
0.0274 |
13 |
27.5-1304 |
|
Mugilidae |
||||||
|
Mugil capito |
1.09 ± 0.02 |
-1.66 ± 0.01 |
0.999 |
0.00854 |
6 |
2.48-9.76 |
|
Chelon labrosus |
1.00 ± 0.01 |
-1.57 ± 0.01 |
0.999 |
0.0175 |
11 |
1.15-41.6 |
|
Liza haematocheila |
1.12 ± 0.02 |
-1.64 ± 0.01 |
0.999 |
0.0136 |
7 |
1.22-11.0 |
|
Percichthyidae |
||||||
|
Morone labrax |
1.01 ± 0.00 |
-1.56 ± 0.01 |
0.999 |
0.0144 |
39 |
2.67-233 |
|
M. saxatilis |
0.86 ± 0.09 |
-1.42 ± 0.07 |
0.977 |
0.0216 |
4 |
3.4-6.9 |
|
M. saxatilis × M. mississippiensis |
1.11 ± 0.08 |
-1.85 ± 0.2 |
0.995 |
0.0555 |
3 |
54.0-405 |
|
M. chrysops × M. saxatilis |
1.02 ± 0.01 |
-1.61 ± 0.01 |
0.998 |
0.0224 |
49 |
16.9-565 |
|
M. saxatilis × M. chrysops |
0.92 ± 0.03 |
-1.38 ± 0.05 |
0.980 |
0.0600 |
21 |
10.9-629 |
|
Percidae |
1.06 ± 0.01 |
-1.66 ± 0.01 |
0.992 |
0.0338 |
84 |
0.4-48.1 |
|
Perca flavescens |
1.06 ± 0.01 |
-1.67 ± 0.02 |
0.990 |
0.0333 |
72 |
3.5-48.1 |
|
Stizostedion vitreum |
1.08 ± 0.00 |
-1.65 ± 0.00 |
1.00 |
0.00560 |
12 |
0.4-39.5 |
|
Poeciliidae |
||||||
|
Poecilia reticulata |
2.01 ± 0.3 |
-1.43 ± 0.06 |
0.922 |
0.0194 |
6 |
0.54-0.65 |
|
Salmonidae |
1.05 ± 0.001 |
-1.66 ± 0.003 |
0.998 |
0.0350 |
753 |
0.25-4000 |
|
Oncorhynchus spp. |
1.04 ± 0.002 |
-1.65 ± 0.003 |
0.999 |
0.0309 |
591 |
0.28-1297 |
|
O. nerka |
1.05 ± 0.01 |
-1.65 ± 0.02 |
0.994 |
0.0401 |
36 |
1.39-289 |
|
O. mykiss |
1.05 ± 0.002 |
-1.66 ± 0.003 |
0.999 |
0.0282 |
480 |
0.31-1297 |
|
O. gorbuscha |
1.07 ± 0.02 |
-1.64 ± 0.01 |
0.996 |
0.0305 |
16 |
0.28-4.97 |
|
O. keta |
1.07 ± 0.01 |
-1.64 ± 0.00 |
0.999 |
0.00935 |
20 |
1.26-9.1 |
|
O. tshawytscha |
1.03 ± 0.03 |
-1.60 ± 0.03 |
0.990 |
0.0544 |
15 |
1.6-40.6 |
|
O. kisutch |
1.03 ± 0.01 |
-1.63 ± 0.01 |
0.999 |
0.0132 |
24 |
18.2-300 |
|
Salvelinus spp. |
1.04 ± 0.01 |
-1.72 ± 0.02 |
0.992 |
0.0438 |
48 |
1.33-48.0 |
|
S. fontinalis |
1.05 ± 0.01 |
-1.74 ± 0.02 |
0.993 |
0.0406 |
41 |
1.6-48 |
|
S. namaycush |
1.19 ± 0.03 |
-1.76 ± 0.02 |
0.997 |
0.0152 |
7 |
1.33-5.43 |
|
Salmo spp. |
1.05 ± 0.00 |
-1.67 ± 0.00 |
0.999 |
0.0262 |
114 |
0.25-4000 |
|
S. salar |
1.05 ± 0.00 |
-1.67 ± 0.00 |
0.999 |
0.0241 |
96 |
0.25-4000 |
|
S. trutta |
1.04 ± 0.01 |
-1.67 ± 0.01 |
0.999 |
0.0317 |
18 |
3.91-2610 |
|
Scaenidae |
1.03 ± 0.01 |
-1.61 ± 0.01 |
0.995 |
0.0429 |
103 |
0.37-394 |
|
Scaenops ocellatus |
1.02 ± 0.01 |
-1.61 ± 0.01 |
0.995 |
0.0444 |
95 |
0.37-394 |
|
Micropogonas undulatus |
1.17 ± 0.07 |
-1.80 ± 0.08 |
0.980 |
0.0135 |
8 |
11.9-20.8 |
|
Serranidae |
||||||
|
Epinephelus spp. |
1.11 ± 0.02 |
-1.71 ± 0.03 |
0.995 |
0.0339 |
20 |
2.37-61.5 |
|
E. striatus |
1.08 ± 0.07 |
-1.69 ± 0.06 |
0.988 |
0.0456 |
5 |
2.37-14.2 |
|
E. malabaricus |
1.07 ± 0.04 |
-1.64 ± 0.06 |
0.984 |
0.0308 |
15 |
9.2-61.5 |
|
Siganidae |
||||||
|
Siganus guttatus |
1.13 ± 0.02 |
-1.65 ± 0.01 |
0.999 |
0.0140 |
8 |
0.93-8.02 |
|
Sparidae |
||||||
|
Rhabdosargus sarba |
1.04 ± 0.02 |
-1.50 ± 0.01 |
0.996 |
0.0114 |
12 |
1.45-5.92 |
|
Sparus auratus |
1.01 ± 0.01 |
-1.57 ± 0.01 |
0.999 |
0.0208 |
28 |
1.2-86.1 |
|
Pagrus major |
1.04 ± 0.01 |
-1.59 ± 0.01 |
0.999 |
0.0142 |
33 |
1.6-43.5 |
|
Tetraodontidae |
||||||
|
Takifugu rubripes |
1.24 ± 0.08 |
-1.79 ± 0.04 |
0.964 |
0.0164 |
12 |
2.64-4.43 |