| Rating | Solver | Clue |
|---|---|---|
| KRILL | Whale food | |
| PLANKTON | Whale food | |
| CLIONE | A genus of naked pteropods. One species (Clione papilonacea), abundant in the Arctic Ocean, constitutes a part of the food of the Greenland whale. It is sometimes incorrectly called Clio. | |
| OIL | ...e substances, not miscible with water; as, olive oil, whale oil, rock oil, etc. They are of animal, vegetable, or mineral origin and of varied c... |