| RAZORBILL | Common auk, Alca torda, of the North Atlantic (9) |
| GUILLEMOT | Related to puffins and breeding in groups known as loomeries, the most common auk within the British Isles (9) |
| RAZORBILLEDAUK | One name for the black-and-white North Atlantic seabird Alca torda |
| BALTICSEA | Arm of the north Atlantic to which the Copenhagen cockle is endemic (6,3) |
| IRISHMOSS | Red algae that grows on the eastern coasts of the North Atlantic (5,4) |
| LITTLEAUK | Rotche or dovekie of the North Atlantic and Arctic Oceans (6,3) |
| BAFFINBAY | A sea of the North Atlantic Ocean (6,3) |
| SARGASSO | The ... Sea is a calm area of the North Atlantic between the Azores and the Caribbean Sea (8) |
| IRISHSEA | Arm of the North Atlantic, location of Anglesey, the Isle of Man and Bardsey Island (5,3) |
| AZORES | Group of islands in the middle of the north Atlantic (6) |
| SARGASSOSEA | A calm area of the North Atlantic, between the Caribbean and the Azores (8,3) |
| SEA | Part of the North Atlantic, lying between the West Indies and the Azores, notorious for its floating seaweed (8,3) |
| CRITICALLY | Status in 2020 of the North Atlantic Right Whale which is on the brink of extinction ... |
| ENDANGERED | Status in 2020 of the North Atlantic Right Whale which is on the brink of extinction ... |
| BISCAY | Bay of ___ , wide inlet of the North Atlantic Ocean indenting the western European coast (6) |
| BAYOFBISCAY | Wide inlet of the North Atlantic south of the Celtic Sea, noted for its violent storms (3,2,6) |
| FULMAR | Gull-like seabird of the North Atlantic and North Pacific (6) |
| SHARK | Alternative name for the porbeagle (Lamna nasus) of the North Atlantic (8,5) |
| MACKEREL | Alternative name for the porbeagle (Lamna nasus) of the North Atlantic (8,5) |
| COD | Fish of the North Atlantic |
