Utrecht’s fish doorbell lets viewers help fish migrate. With millions tuning in, this unique initiative is making a global ...

The Dutch city of Utrecht has installed a “fish doorbell” that lets online viewers alert officials when fish are stuck at a ...

The idea is simple: An underwater camera at Utrecht’s Weerdsluis lock ... Without the help, native freshwater fish like bream, pike and bass can become backed up behind the lock and form easy ...

Dutch's city Utrecht has created 'fish doorbell' on a river lock, which has become quite popular among the locals and on the ...

UTRECHT, Netherlands (AP) — The central Dutch city of Utrecht has installed a “ fish doorbell ” on a river lock that lets viewers of an online livestream alert authorities to fish being held up as ...