Utrecht Fish Doorbell 40,000 Clicks from 2.7 Million Viewers Help Migrating Species Navigate Urban Waterways

[{"selector":"#anim-14d93248-9657-4994-94a1-eea71b1264bd","keyframes":{"opacity":[0,1]},"delay":500,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-7cc49570-ccaf-4797-9b96-0c9f7a022dc7","keyframes":{"transform":["translate3d(-114.42007%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":500,"duration":600,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-cf42a14f-44e6-4dac-802c-d223fbb6e000","keyframes":{"opacity":[0,1]},"delay":800,"duration":500,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-f477692d-e641-48fa-98a0-f29431a1c5ec","keyframes":{"transform":["translate3d(-122.3301%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":800,"duration":500,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] Utrecht Fish Doorbell: 40,000 Clicks from 2.7 Million Viewers Help Migrating Species Navigate Urban Waterways" Govind Tekale

Utrecht's underwater camera turns online viewers into fish heroes, helping thousands of aquatic creatures navigate city waterways during spring migration.

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The fish doorbell received over 40,000 clicks in 2024 alone, prompting water workers to open locks when fish need to pass through.

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How does a murky green livestream attract 9.3 million visits? By letting viewers directly help fish reach their spawning grounds with a simple click.

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Dawn and dusk offer peak viewing times when bream, pike, bass, and even eels can be spotted waiting patiently behind Utrecht's Weerdsluis lock.

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Without human intervention, migrating fish waste energy and become easy prey for predators while trapped behind city locks.

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The project operates from March to May annually, creating a seasonal opportunity for global participation in local wildlife protection.

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Can your clicks save fish populations? Utrecht's ecologists believe this simple technology offers a practical solution to urban migration barriers.

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"We get a lot of fan mail from people who find it relaxing," says Anna Nijs, explaining how slow TV meets active conservation in this Dutch innovation

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Behind the green murky water lies a complex ecological challenge: Europe has over 1.2 million man-made barriers fragmenting rivers and blocking ancient fish routes.

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Some patient viewers might spot crabs, lobsters, frogs, and even geese making appearances on the underwater livestream.

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What makes 2.7 million unique visitors watch murky water? The satisfaction of directly helping wildlife without leaving their homes

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March 3, 2025 marked the fifth consecutive year of Utrecht's fish doorbell, with potential expansion to additional waterway locations under

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Pike populations serve as indirect bio-indicators of water quality, making this project valuable for both fish and environmental monitoring.

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Ecologist Mark van Heukelum never expected global attention when he created a "good cause, a beautiful story and just a simple idea" to help local fish.

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The fish doorbell "opens the eyes of many who did not know about the fish that live here and why they need our help," creating awareness beyond its practical function.

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[{"selector":"#anim-ca8fb965-dabb-421e-8d27-23f658f175e3","keyframes":{"opacity":[0,1]},"delay":200,"duration":3000,"easing":"cubic-bezier(0.4, 0.4, 0.0, 1)","fill":"both"}] [{"selector":"#anim-390a86dc-b0f8-44c2-9b9c-c885f18f41dc","keyframes":{"opacity":[0,1]},"delay":200,"duration":3000,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-cf930af4-5110-496a-8a09-fc5c9acabe38","keyframes":{"transform":["translate3d(-114.50152%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":200,"duration":3000,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-faa788bf-8ce9-4533-bcf8-e87c27c97907","keyframes":{"opacity":[0,1]},"delay":700,"duration":3000,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] [{"selector":"#anim-a32678e3-7bf8-4cdd-88f7-344c81e22ff4","keyframes":{"transform":["translate3d(115.23810%, 0px, 0)","translate3d(0px, 0px, 0)"]},"delay":700,"duration":3000,"easing":"cubic-bezier(0.2, 0.6, 0.0, 1)","fill":"both"}] Nessie Spotted in 2025; Advanced Search Initiated Learn more