406 
PACIFIC SCIENCE, Vol. XXI, July 1967 
TABLE 2 
Red Muscle Composition of K. pelamis 1 
TUNA 
% h 2 o 
Na 
K 
Cl 
Ca 
Mg 
1 
70.99 
26.50 
75.70 
— 
— 
11.80 
2 
— 
22.12 
75.32 
0.0 
0.00 
18.43 
3 
— 
26.94 
74.56 
0.0 
0.86 
20.26 
4 
72.83 
29.14 
80.40 
— 
0.51 
8.49 
5 
75.64 
22.62 
73.35 
— 
9.11 
11.72 
6 
72.49 
21.32 
92.65 
— 
3.04 
21.98 
7 
72.60 
15.80 
91.80 
15.96 
0.66 
21.59 
8 
72.03 
18.36 
76.26 
— 
1.56 
19-44 
9 
75.09 
26.53 
78.66 
52.17 
1.07 
18.24 
10 
72.90 
20.30 
94.40 
42.14 
— 
— 
11 
72.31 
18.74 
94.40 
61.74 
0.93 
21.29 
12 
72.08 
25.18 
78.06 
— 
1.40 
18.43 
13 
73.53 
14.56 
69-86 
— . 
1.45 
19-06 
14 
72.16 
16.93 
75.83 
38.74 
1.22 
16.95 
15 
72.18 
14.63 
71.80 
28.10 
1.78 
17.09 
16 
73.46 
20.30 
80.40 
67.03 
4.70 
14.70 
17 
73.42 
18.40 
84.40 
55.58 
0.78 
14.51 
18 
70.79 
18.10 
80.10 
73.66 
0.74 
16.02 
Mean 
72.78 
20.92 
80.44 
39.56 
1.86 
17.06 
S . E . 
0.318 
1.050 
1.853 
7.48 
0.557 
0.920 
1 Electrolyte values in mEq/kg fresh wt. 
TABLE 3 
White Muscle Composition 
rH 
1 
■ ft * 
Ph 
0 
TUNA 
% h 2 o 
Na 
K 
Cl 
Ca 
Mg 
1 
71.75 
16.20 
94.60 
— 
58.80 
19.70 
2 
— 
9.12 
98.79 
23.58 
7.12 
27.29 
3 
— - 
17.16 
109.38 
— - 
5.00 
26.38 
4 
76.91 
17.44 
113.52 
— 
0.94 
17.13 
5 
80.24 
22.41 
113.44 
— 
0.44 
16.49 
6 
72.13 
7.26 
88.35 
0.00 
3.99 
33.79 
7 
71.34 
9.23 
113.35 
0.00 
0.52 
31.71 
8 
73.97 
9.20 
116.70 
0.00 
1.48 
25.49 
9 
76.69 
26.71 
109-36 
77.34 
2.34 
24.38 
10 
71.25 
6.95 
94.20 
87.57 
0.00 
35.02 
11 
76.65 
9-89 
114.60 
91-36 
0.00 
23.98 
12 
73.19 
3.61 
125.90 
44.73 
0.83 
27.59 
13 
75.14 
7.14 
95.53 
36.93 
1.25 
25.86 
14 
74.16 
8.12 
108.43 
55.56 
1.85 
25.20 
15 
74.42 
7.18 
100.73 
52.80 
0.93 
22.78 
16 
75.44 
11.50 
108.50 
20.30 
2.86 
20.42 
17 
75.28 
8.70 
105.00 
16.23 
0.18 
18.95 
18 
73.29 
9-70 
104.40 
19-92 
0.27 
21.90 
Mean 
74.49 
11.53 
106.38 
37.59 
4.93 
24.67 
S . E . 
0.603 
1.422 
2.255 
8.480 
3.200 
1.241 
1 Electrolyte values in mEq/kg fresh wt. 
muscles comprise Tables 2 and 3, respectively. 
As in the former table, the last values are the 
means ± the S.E. The values in these tables, 
excluding the water content, are in mEq/kg 
fresh weight. A brief resume of the statistical 
comparisons is contained in Table 4. 
The inorganic contents of the red and white 
muscles, respectively, were: water = 72.78, 
