Threshold principle
Lessons from Mudskipper
Stand between worlds.
Mudflat Land-Water Living

Core lesson
Power appears where two worlds meet and neither one owns you completely.
Biological basis
Mudskippers are amphibious fish that use strong pectoral fins, skin and gill adaptations, and mudflat behavior to move and feed between water and land.
Best use cases
Where this lesson tends to be most useful in practice.
ThresholdsHybrid identityAdaptationUnusual movementBorder spaces