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Eel world problems: Dutch webcam 'doorbell' helps fish

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The fish doorbell has proved very popular

The fish doorbell has proved very popular

A cloud of small bubbles and a fishy gurgle announce the latest arrival at the "fish doorbell" in the Netherlands: a perch, recognisable by its dorsal fin and tiger-striped scales.

As the perch stares at the camera with globulous eye, thousands watching a livestream race to click a button that will open a lock separating the River Vecht from the canals of Utrecht, enabling the fish to glide through.

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Originally published on doc.afp.com, part of the BLOX Digital Content Exchange.

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