Variable | 4°C acclimated fish | 18°C acclimated fish |
---|---|---|
Heart rate (beats/min) | 11.2 ± 0.5* | 52.1 ± 1.7 |
Force (mN/mg) | 1.2 ± 0.4* | 3.4 ± 0.6 |
Time to peak force (ms) | 774.3 ± 47.5* | 237.4 ± 4.5 |
Time to half of relaxation (ms) | 914.0 ± 45.2* | 278.5 ± 8.2 |
Maximal rate of rise (mN/mg/ms) | 0.04 ± 0.2* | 0.21 ± 0.3 |
Maximal rate of fall (mN/mg/ms) | 0.03 ± 0.1* | 0.14 ± 0.2 |
Size of atrial tissues (mg) | 6.71 ± 0.4 | 6.90 ± 0.6 |