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A polar projection map showing the Arctic Mid-Ocean Ridge north of Iceland and the location of the Loki's Castle vent field (red dot). The map also shows the locations of the vent fields within the Atlantic and the Pacific ocean hosting vent endemic fauna belonging to different biogeographic provinces: white, Mid-Atlantic Ridge; yellow, Azores; orange, Western Pacific; green, North-East Pacific (biogeographic provinces from ref. 11).
