Mudpuppy Neoteny principle
Lessons from Mudpuppy
Keep the water-shape.
Permanent External Gills

Core lesson
Keep what works, even when others change.
Biological basis
Mudpuppies retain external gills into adulthood and remain fully aquatic, showing paedomorphic development.
Best use cases
Where this lesson tends to be most useful in practice.
Staying trueUseful simplicityNonlinear growthRetaining strengthsDifferent development