Table 1:
Gender (male:female), total length (in centimetres), mass (in grams), Fulton’s condition (K) factor, haematocrit (as a percentage) and leukocrit (as a percentage) in long-term freshwater (FW)-acclimated sea lampreys challenged in FW (n = 4) and 17.5 brackish water (BW-17.5; n = 4) and short-term FW-acclimated sea lampreys challenged in FW (n = 6), BW-17.5 (n = 6), and 25 brackish water (BW-25) osmoregulators (n = 14) and BW-25 osmocompromised animals (n = 4)
| FW acclimation | Group | Gender (male:female) | Length (cm) | Mass (g) | Fulton’s K factor | Haematocrit (%) | Leukocrit (%) |
|---|---|---|---|---|---|---|---|
| Long term | FW | 2:2 | 74.6 ± 4.2 | 758.1 ± 69.3 | 1.94 ± 0.29 | 36.7 ± 1.5a | 2.1 ± 0.1a |
| BW-17.5 | 2:2 | 78.1 ± 3.5 | 923.3 ± 130.8 | 1.83 ± 0.18 | 0.6 ± 0.33b | 3.8 ± 0.7b | |
| Short term | FW | 3:3 | 78.6 ± 0.5 | 892.2 ± 18.6 | 1.84 ± 0.05 | 45.2 ± 1.2a | 2.4 ± 0.3a |
| BW-17.5 | 2:4 | 78.5 ± 1.5 | 873.0 ± 44.7 | 1.81 ± 0.06 | 34.8 ± 0.5b | 1.6 ± 0.3ab | |
| BW-25 osmoregulating | 6:8 | 78.5 ± 0.9 | 859.5 ± 25.7 | 1.77 ± 0.37 | 35.7 ± 0.9b | 1.5 ± 0.1b | |
| BW-25 osmocompromised | 3:1 | 78.4 ± 2.4 | 845.4 ± 14.7 | 1.78 ± 0.13 | 3.1 ± 1.1c | 1.8 ± 0.2ab |
Values are shown as means ± SEM. Within each experiment, groups that do not share letters are significantly different (P < 0.05).