The Fish Doorbell of Utrecht

The Atlas Obscura Podcast

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.

We always want to hear from you! If you have a question or story for us, give us a call at 315-992-7902 and leave a message, or send an email to hello@atlasobscura.com.


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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.

We always want to hear from you! If you have a question or story for us, give us a call at 315-992-7902 and leave a message, or send an email to hello@atlasobscura.com.


Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.

2026-03-04 12 min
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