Bite Force principle
Lessons from Red-bellied Piranha
Trust the bite.
Red-Bellied Group Defense

Core lesson
A specialized edge becomes power when the whole body is built around it.
Biological basis
Red-bellied Piranhas have sharp interlocking teeth and strong jaws, often schooling in rivers where group presence and quick bites help with feeding and defense.
Best use cases
Where this lesson tends to be most useful in practice.
SpecializationDefenseGroup pressureDecisive actionBuilt-in strength