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Mudpuppy Neoteny principle

Lessons from Mudpuppy

Keep the water-shape.

Permanent External Gills

Mudpuppy (Necturus maculosus) featured animal image on AnimalDex

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

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