Table I
Ionic Composition of Fish Plasma and Calculated Values of the Ionic Strength p
(all concentrations in mmole/kg H20%)
Reference
Species
Na
K
Ca
Mg
C1
SO4 HC03b HP04
p
M yzine
Lampetra fEuviatilis
Raia stabuluforis
Raia erinaeeu
Narcine
Rhinobatus
Cyprinus carpio
Corregonus
Muraena
Thunnus
558
125
277
270
144
154
130
141
212
190
9 . 6
3.3
6 . 5
8 . 6
7 . 5
13.7
6 . 3
3.8
2.0
26.8
12.5
4 . 0
5 . 1
12.9
17.2
7.8
2.9
5 . 3
7.7
(4)
38.8
4 . 4
3 . 0
4 . 1
3 . 2
2 . 1
1.4
3 . 4
4 . 9
(3)
576
100
252
275
171
155
127
117
188
181
13.3
5 . 6
1
(4)
(4)
(4)
(4)
4 . 6
11.4
(4 )
2
?
0.70
6 . 7
?
0.15
8 . 1
2 . 0
0.29
29.6
?
0.33
13.3
?
0.22
24.5
?
0.20
(10)
?
0.15
10.6
?
0.16
8.0
?
0.25
41.8
?
0.24
Robertson (19.54)
Robertson (1954)
Smith (1929)
Hartman et al. (1941)
Pereira and Sawaya (1957)
Pereira and Sswaya (1957)
Field et al. (1943)
Robertson (1954)
Robert.son (19.54)
Becker et al. (1958)
a Water content of plasma was assumed to be 930 g/liter if not stated otherwise in the references. Assumed values in parentheses.
Bicarbonate values if not given in the reference are calculated as the difference between the sum of anions and the sum of cations.
b