| Rating | Solver | Clue |
|---|---|---|
| HIPPO | Aquatic mammal | |
| OTTER | Aquatic mammal | |
| MANATEE | Large Aquatic Mammal | |
| SEAL | Aquatic mammal is ocean novice | |
| PLATYPUS | Semi-aquatic egg-laying mammal, sole living representative of Ornithorhynchidae. | |
| 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. | |
| WHALE | Any aquatic mammal of the order Cetacea, especially any one of the large species, some of which become nearly one hundred feet long. Whales are... | |