Table 2.
Organism | Dose (pmol) | Effect |
---|---|---|
Mouse | 250 | Brief clonus of limbsa; mild hyperactivityb |
1000 | Long clonusc of limbs; strong hyperactivityd | |
Pomacea paludosa (freshwater snail) | 250 | Hyperactivitye |
Patella opea (limpet) | 50 | Mild paralysisf |
250 | Strong paralysisg | |
Lebistes reticulates (freshwater fish) | 50, 250 | No effect |
~ 10 s.
Continuous wandering.
~ 1 min.
Continuous wandering and jumping.
Continuous displacement around the aquarium.
Partial loss of attachment to the Petri dish; no reaction after being touched.
Complete stillness; loss of attachment to the Petri dish; no reaction after being touched.