Stage | Characteristic behavior |
---|---|
Anesthesia | |
A1 | Normal swimming; operculum movement and normal general movement |
A2 | Swimming speed slowed; rolling from side to side |
A3 | Partial loss of equilibrium; swimming erratically |
A4 | Complete loss of equilibrium; swimming perfectly inside-out; pectoral fin, pelvic fin, and dorsal fin movement stop |
A5 | Little sedation; anal fin and tail fin movement stop |
A6 | Perfect sedation; only operculum movement |
A7 | Operculum movement ceased |
Recovery | |
R1 | Resume operculum movement |
R2 | Preferential movement of pectoral fin and tail fin |
R3 | Dorsal fin, pelvic fin, and anal fin movement |
R4 | Swimming perfectly inside-out |
R5 | Swimming erratically; redressing the balance |
R6 | Normal swimming; responsiveness to visual stimuli |