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Fig. 2. Effects of water temperature and stock on the maximal cardiac performance
of largemouth bass. (A) Cardiac output; (B) heart rate; (C) stroke volume.
Asterisks indicate significantly different (P<0.05) values within
a stock at the two different temperatures. Dissimilar letters indicate
significantly different (P<0.05) values between stocks at each
temperature. Additional details on the statistical tests are given in
Table 2. Values are means
± 1 S.E.M. Sample sizes are provided
in Table 1.