| Rating | Solver | Clue |
|---|---|---|
| WHALE | Ocean mammal | |
| SEAL | Aquatic mammal is ocean novice | |
| FUR | Southern Ocean mammal, ... seal | |
| DUGONG | An aquatic herbivorous mammal (Halicore dugong), of the order Sirenia, allied to the manatee, but with a bilobed tail. It inhabits the Red Sea, Indian Ocean, East Indies, and Australia. | |
| WALRUS | A very large marine mammal (Trichecus rosmarus) of the Seal family, native of the Arctic Ocean. The male has long and powerful tusks descending... | |