Table 3 Characteristics of two activity modes observed for Pacific halibut (Hippoglossus stenolepis) in Port Frederick, Alaska
Fish PF-1 | Fish PF-2 | Fish PF-3 | |
|---|---|---|---|
Hopping | |||
Median KDs (range) | 5.5 (0–21) | 3 (0–12)*** | 3 (1–18)*** |
Median %tilt (range) | 5.0 (0.6–25.8)*** | 2.5 (0.2–14.8)*** | 2.3 (0.3–29.6)*** |
Median ratio KDs: movement events (range) | 1 (0–3)** | 0.9 (0–2.5)*** | 1.1 (1–3)*** |
Median SD Depth (m) per hour (range) | 1.2 (0.1–6.7) ** | 0.9 (0.3–4.3)*** | 0.8 (0.3–5.1)*** |
% Movement events with change in depth | 79 | 84 | 74 |
Sustained swimming | |||
Median KDs (range) | 4 (1–16) | 12.5 (0–20) | 21.5 (4–48) |
Median %tilt (range) | 12.3 (3.7–70.2) | 47.2 (3.8–76.1) | 47.9 (9.9–91.5) |
Median ratio KDs: movement events (range) | 2 (0.8–11) | 2.4 (0–6) | 2.8 (1.2–12) |
Median SD Depth (m) per hour (range) | 2.5 (0.7–10.2) | 3.4 (1.0–7.7) | 4.9 (0.7–9.5) |
% Movement events with change in depth | 88 | 100 | 89 |