The Fish Doorbell is an online resource that has somehow united millions of viewers worldwide around a common goal. Helping ...

The 'Fish Doorbell' now has millions of fans helping Dutch fishes migrate and reproduce safely.

A Dutch lock is closed for the spring, and its employees want you to tell them when migrating fish come knocking by ringing a ...

Located in Utrecht in the Netherlands, the underwater camera was first set up five years ago, to help the different fish ...

The fish doorbell has gained international recognition over the years. Now, it's back, and just as busy as ever.

Utrecht’s fish doorbell is officially open. At 10:24 a.m. on Monday, 2,195 people were on the website, watching for fish who ...

Now, for the sixth year in a row, you can help them get the attention of the lock’s operators. The Fish Doorbell—or ...

This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. UTRECHT ...

The fish doorbell in Utrecht is set to return for the spring migration starting March 2, 2026. Users will be able to visit the visdeurbel once again.

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...