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Osmotic Range principle

Lessons from Bull Shark

Cross the water line.

River-Sea Movement

Bull Shark (Carcharhinus leucas) featured animal image on AnimalDex

Core lesson

Real range comes from being able to change water without losing power.

Biological basis

Bull Sharks tolerate both salt and fresh water through osmoregulation and can move far into rivers as well as coastal marine habitats.

Best use cases

Where this lesson tends to be most useful in practice.

RangeAdaptationOsmoregulationBoundary crossingUnexpected paths

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