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The Fish Doorbell of Utrecht

The Fish Doorbell of Utrecht

Update: 2026-03-04
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The Dutch city of Utrecht is built around an iconic canal lined with historic homes. But for the fish of the city, the view isn’t quite so picturesque. Each spring, migrating fish get trapped in the mazelike waterways of the city. Ecologist Mark van Heukelum came up with an innovative idea to help them out – a fish doorbell.


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The Fish Doorbell of Utrecht

The Fish Doorbell of Utrecht

SiriusXM Podcasts & Atlas Obscura