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Did you spot a fish? Press the Fish Doorbell!
Then our lock keeper can let the fish through. Nothing to see? Watch the Fish Doorbell News Report and spot last week’s fish!
Fish Doorbell news report
Week 1 – What is fish migration?
Fish photo of the week




The World’s First Fish Doorbell
Every spring, thousands of fish swim through the Oudegracht in Utrecht, searching for a place upstream to lay their eggs. But the Weerdsluis is often closed. You can help the fish continue their journey! If you see a fish, press the doorbell. This alerts the lock operator to open the lock.
Want to learn more about the Fish Doorbell, how it all started, and who is involved?