Sentence:  Near the water surface, Mayflower hunted for larger prey in the form of "<WSD>borks</WSD>." "Pagothenia borchgrevinki" "<WSD>bork</WSD>," for short—are buggy-eyed, dark-spotted fish with a Mohawk ridge of fins along the top. They live among the ice crystals formed by the platelet ice, hiding just below the frozen surface of the sea in -3°C (27°F) water. 
Meaning of the word marked with <WSD> tags:  The (bald notothen) or (bald rockcod) ((ver=171018)), a species of (cod icefish) ((ver=171018)) native to the Southern Ocean.