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Imagine a doorbell — but for fish. In the Netherlands, this eco-friendly innovation is making waves. The fish doorbell, or “visdeurbel,” is a clever system created in the city of Utrecht to help native freshwater fish migrate more freely through canals and locks during spawning season…
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The Fish Doorbell Isn’t a Joke … Seriously
Zach Taras
13:21
Imagine a doorbell — but for fish. In the Netherlands, this eco-friendly innovation is making waves. The fish doorbell, or “visdeurbel,” is a clever system created in the city of Utrecht to help native freshwater fish migrate more freely through canals and locks during spawning season…
