Trieste, sightings of bull rays: unique case in Mediterranean, but they threaten mussel farms
Sightings of this protected species are unprecedented in the Mediterranean in scale and frequency, but they threaten local mussel farms. In the Gulf of Trieste, a trial using magnetic deterrents has been launched to identify and drive the animals...
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Source: Euronews
Sightings of this protected species are unprecedented in the Mediterranean in scale and frequency, but they threaten local mussel farms. In the Gulf of Trieste, a trial using magnetic deterrents has been launched to identify and drive the animals away.
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DW News 
