Table 3. Summary of behavioral analyses.

Behavior analyzed	Stress vs. Control
Shoal cohesion	↑
Latency to shoal cohesion	↓
Preferred swim zone	Upper tank level ↓	Bottom tank level ↑
Latency to move up	↑
Number of visits to upper levels	↓
Locomotion	↓
Number of freezing bouts	↑
Freezing duration	↑
Scototaxis	Light ↓	Dark ↑
Latency to dark	↓