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Dutch citizens using “fish doorbell” to help fish get past closed lock

Among the species being spotted are perch, pike ... and apparently even crayfish

When spawning fish travel through the canals of Utrecht, they’re often blocked by the city’s Weerdsluis lock – particularly in the spring, when it rarely opens. Regular citizens are now helping the fish to get through, though, using an online “fish doorbell.”

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Category: Good Thinking, Lifestyle

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