Ringed Warning principle
Lessons from Blue-ringed Octopus
Flash the rings.
Blue-Ring Threat Flash

Core lesson
A clear signal can stop danger before contact becomes necessary.
Biological basis
Blue-ringed Octopuses flash vivid blue rings when threatened. Their small bodies carry highly potent venom, making the warning display an important deterrent signal.
Best use cases
Where this lesson tends to be most useful in practice.
WarningDeterrenceClear signalsSelf-protectionSmall but dangerous