fish doorbell

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A fish "ringing" Utrecht's fish doorbell on 27 June 2025
TechNature
Utrecht's fish doorbell open; Thousands keep eye out for fish needing lock opened
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A school of European Perch swim past a Fish Doorbell camera in the Weerdsluis in Utrecht. 7 June 2023
BusinessTechNature
Utrecht’s fish doorbell returns March 2 to help migrating fish
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A school of European Perch swim past a Fish Doorbell camera in the Weerdsluis in Utrecht. 7 June 2023
TechNature
Utrecht's fish doorbell closes after record year
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A fish waiting at Utrecht's fish doorbell between March and June 2023
TechNatureCultureEntertainment
Fish doorbell visitors quadruple after John Oliver's mention on Last Week Tonight
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A school of European Perch swim past a Fish Doorbell camera in the Weerdsluis in Utrecht. 7 June 2023
TechNatureScience
Millions tune in as Utrecht’s fish doorbell goes live for fifth year
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A school of fish waiting for someone to ring the fish doorbell in Utrecht. March to June, 2023
TechNatureScience
Fish doorbell season begins again letting people help migrating fish in Utrecht
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A fish waiting at Utrecht's fish doorbell between March and June 2023
TechNature
Fish doorbell popular again: Over 105,000 attempts made to help fish in Utrecht
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A northern pike flashes a smile in front of Utrecht's fish doorbell. 24 March 2022
TechNature
Utrecht's "fish door bell" and underwater camera is back online for third year
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Two European perch swim by the Visdeurbel in Utrecht. 5 April 2021
NatureScienceInnovation
Special fish doorbell in Utrecht successfully comes to a close
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Two European perch swim by the Visdeurbel in Utrecht. 5 April 2021
TechNature
World's first fish doorbell pressed 32,000 times in first two weeks