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

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

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

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

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

Utrecht’s fish doorbell, an internet hit which has allowed tens of thousands of people all over the world to help fish ...

U trecht's famous fish doorbell, which first began operating in 2021, is returning for another year. Soon, people of the ...

Dotted with rivers and known for its extensive canal system, the city of Utrecht in the Netherlands has been playing host to an interesting phenomenon for the past few years. It is home to the ...

It’s a rainy Friday morning in Utrecht, a town just outside Amsterdam, and I’m looking for a boat lock. The city is full of them, but I’m looking for a very special one—the Weerdsluis lock. It’s on ...

This is an archived article and the information in the article may be outdated.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 ...

UTRECHT, Netherlands — With millions of global fans, the Ultrecht Fish Doorbell returns for its fifth anniversary. As of 3 March, the digital doorbell can be pressed again. Every spring, fish in the ...

Forbes contributors publish independent expert analyses and insights. Amanda Kooser covers the quirky side of science and space. A stripey fish swims in front of the Fish Doorbell camera in 2023. Cue ...