An 'Easypass' Tollbooth System for Giant Bluefin Tuna (IMAGE)
Caption
Canada's Ocean Tracking Network (OTN), which includes listening lines across the Cabot Strait and the Scotian Shelf off Nova Scotia, forms part of an array of underwater receivers on North America's east coast. Additional receivers along the North American coastline let scientists log visitation of the bluefin from Canada to the Bahamas, and as far east as Gibraltar at the entrance to the Mediterranean Sea.
Credit
Barbara Block et al
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License
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